Career Help & Jobs in India » Electrical Engineering

Bharat Heavy Electricals Limited (BHEL) Recruits 1500 Engineer and Supervisor Trainees

careerman77 — Tue, 24 Jun 2008 08:28:30 +0000

Bharat Heavy Electricals Limited (BHEL)
(Government of India Undertaking)
Corporate Office, Siri Fort, New Delhi – 110049.

BHEL is country’s premier engineering organization and one of the NAVARATNA Public Sector Undertakings and caters to the core sectors of Indian economy viz Power Generation and Transmission, Industry, Transportation, Oil & Gas, Renewable Energy, having 14 Manufacturing Divisions, 08 Service Divisions, 15 Regional Offices, 04 Power Sector Regional Centres and over 100 Project Sites spread all over the Country.
The financial turnover during the year 2007-08 was Rs.21,401 Crores and Current Order Booking is of around Rs.90,000 Crores. BHEL plans to be a Rs.45,000 Crores Company by 2011-12 and a Rs.90,000 Crores Company by 2016-17.
BHEL is the only PSU among the 12 Indian Companies to figure in “Forbes Asian Fabulous 50” list.Engineer Trainees

Requirement of recruitment of Engineer Trainees and Supervisor Trainees BHEL
For full details and Applying online view …

For Full details of Advertisement View bhel-et_advt_eng.pdf

Engineer Trainees
No of Posts : 750 Posts (Mechanical – 400, Electrical-200, Electronics – 50, Civil – 100)

Qualification : Full time regular Bachelor’s Degree in Engineering or Technology from a recognised Indian University/ Institute in the disciplines of Mechanical/ Electrical/ Electronics/ Civil with minimum 60% marks in the aggregate of all years/ semesters.

Age : 27 years for Graduates in Engineering and 29 years for Post Graduates in Engineering or Business Admn./ Mgmt.

Emoluments for Engineer Trainees: The selected candidates will have to undergo a Training for 1 year. During the Training period they can draw a Basic Pay of 10750 in the scale of pay of 10750 – 430 – 16750. After successful training they will be absorbed as Engineer in the scale of pay of 11225 – 450 – 17525. The average cost of the Engineer Post for the Company will be Rs. 4.5 lakhs/Annum

For Engineer Trainees the details are available over …
Supervisor Trainees
No of Posts: 750 posts (Mechanical – 400, Electrical-200, Electronics – 50, Civil – 100)
Qualification : Full time regular Diploma in Engineering from a recognized Indian University/ Institute in the disciplines of Mechanical/ Electrical/ Electronics/ Civil with minimum 60% marks in the aggregate of all years / semesters Or equivalent qualifications.

Age : 27 years.
Emoluments for the Supervisor Trainees: The Selected Candidates will be placed on training for one year. During training they will be given a basic pay of Rs.5600/- in the scale of pay of Rs.5600-150-8600/-. On successful completion of training, the trainees will be absorbed as Assistant Engineer Grade III in the same scale of pay with basic pay fixed at next higher stage. The average cost of the Supervisor Post for the Company will be Rs.2.5 lakhs/Annum

For Supervisor Trainees the full details are available over …

Application Fee : Crossed Account Payee Demand Draft for Rs.100/- in favour of :

M/s. Bharat Heavy Electricals Limited, Haridwar, payable at Haridwar (preferably, State Bank of India, BHEL, Ranipur, Haridwar- Branch Code - 0586)
How to Apply:

Apply Online. After submitting the application ONLINE, a unique Acknowledgement Number will be allotted to the candidate. The candidates are advised to download two print-outs of the Acknowledgement Slip and send one of the print – outs, duly signed, after pasting his/her recent photograph at appropriate place, along with Demand Draft as applicable, to the following address so as to reach by the last date 15th July, 2008 :

Sr. Manager (HR), Room No. 39, Main Admn. Bldg, HEEP -Bharat Heavy Electricals Ltd.(BHEL), Ranipur, Haridwar – 249403.
Important Dates :

Commencement of on-line submission of applications: 23rd June, 2008.
Closing of on-line submission of Applications : 10th July, 2008.
Last date of receipt of Ack. Slips at BHEL: 15th July, 2008.

For further details and Online Submission of application, Please visit at…

BSNL JTO Model Test Paper - III

careerman77 — Fri, 23 May 2008 17:33:39 +0000

BSNL JTO Model Test Paper - III
1. Of the following bridges the one which can be used for the measurement of dielectric loss of a capacitor is –
a.) Schering bridge
b..) Heaviside campbell equal ratio voltage
c) Owen bridge
d.) Anderson bridge

Ans. a.) Schering bridge

2. LBDT is uses as a –
a) . Displacement transducer
b.) Pressure transducer
c.) Temperature
d.) Any of the above

Ans. a). Displacement transducer

3. Polarization is a measure of -
a.) Dielectric constant per unit volume.
b. ) Voltage gradient to produce electrical breakdown
c.) Product of charge and distance
d.) Excess charge density

Ans. a.) Dielectric constant per unit volume

4. Compared to the inductive type of transducer, capacitive transducer is superior for the measurement of displacement because of -
a.) Absence of non-linearity
b.) High frequency response
c.) Small size
d.) High accuracy

Ans. b.) High frequency response

5. An incremental model of a solid state device is one which represents the –
a.) ac property of the device at the desired operating point
b. ) dc property of the device at all operating points
c.) Complete ac and dc behaviour of the device at all operating points
d.) ac property of the device at all operating points.

Ans. a.) ac property of the device at the desired operating point

6. The ac resistance of a forward biased p-n junction diode operating at a bias voltage ‘V’ and carrying current ‘I’ is –
a. ) Zero
b. ) a constant value independent of Vand I
c.) V/I
d.) Delta V/Delta I

Ans. d). Delta V/Delta I

7. A meter is shielded with a soft iron to –
a. ) Prevent damage from rough use
b.) Keep moisture out of movement
c. ) Protect meter movement from stray magnetic fields
d.) Achieve all of the above

Ans. c. )Protect meter movement from stray magnetic fields

8. A capacitor that has been connected across a battery for comparatively long time becomes–
a. ) Charged
b.) Discharged
c.) Short - circuited
d.) Defective

Ans. a. )Charged

9. The charge on the plates of a capacitor is given by the expression –
a.) Q = VI
b.) Q = IR
c.) Q = CV
d.) Q = IC

Ans. c.) Q = CV

10. Silicon steel used for electrical purposes has silicon percentage of –
a. ) 0.5
b.) 2.5
c.) 3.4
d) . None

Ans. c.) 3.4

11. The feature of VTM is its –
a. ) Low input impedance
b. ) Low power consumbtion
c. ) The ability to measure wider ranges of voltage and resistances
d) . None

Ans. c. )The ability to measure wider ranges of voltage and resistances

12. In an N-type semiconductor, the position of the fermi level –
a. ) Is lower than the centre of the energy gap
b.) Is at the centre of the energy gap
c.) Is higher than the centre of the energy gap
d. ) Can be anywhere depending upon the doping concentration

Ans. c.)Is higher than the centre of the energy gap

13. A JFET can operate in –
a.) depletion and enhancement model
b. ) depletion mode only
c. ) enhancement mode only
d.) neither enhancement nor depletion mode

Ans. b. )depletion mode only

14. Consider the following semiconductor diodes –
a. ) Germanium diode
b.) Silicon diode
c.) Tunnel diode
d.) Schottky diode

Ans. c.) Tunnel diode

15. A diode with a PIV of 50V is likely to break down when rectifying 50v ac supply because –
a.) it is made of defective material
b.) it is incorrectly connected to the supply
c.) peak value of ac supply exceeds the PIV value
d. ) ac supply is of extremely high frequency.

Ans. c.) peak value of ac supply exceeds the PIV value

16. The set of transistor characteristics that enables a to be determined directly from the slope is –
a.) CE transfer characteristics
b. ) CE output characteristics
c.) CB transfer characteristics
d.) CB input characteristics

Ans. c.) CB transfer characteristics

17. For an N-channel JFET, the drain voltage has to be –
a.) positive with respect to the source
b.) negative with respect to the source
c.) uncharged with respect to the source
d.) none

Ans. a.) positive with respect to the source

18. The SCR is often employed as a –
a. ) Source-controlled switch
b. ) Drain-controlled switch
c.) Gate-controlled switch
d) None

Ans. c.) Gate-controlled switch

19. An oscilloscope has an input impedance consisting of 1MW and 20pF in parallel. A high impedance probe connected to the input of this oscilloscope has a 10MW series resistance, this 10MW resistance –
a.) Need not be shunted
b.) Should be shunted by a 2pF capacitor
c.) Should be shunted by a 20pF capacitor
d. ) Should be shunted by a 200pF capacitor

Ans.b.) Should be shunted by a 2pF capacitor

20. Compared to silicon, gallium arsenide (GaAs) has –
a. ) Easier to grow crystals since the vapour pressure of arsenic is high
b. ) Higher optolectronic conversion efficiency
c.) Both a and b
d) . None

Ans. c.) Both a and b
21. When the network shown in the fig draw a current I and if the ends ab are shorted, the current drawn would be –

a.) I

b.) I\ 4

c.) 4 I

d.) 2 I

Ans. a.) I

22. When all the resistances in the circuit are of one ohm each, then the equivalent resistance across the points A and B will be –

a.)1W

b.) 0.5W

c.) 2W

d). 1.5W

Ans. b.) 0.5 Ohms

23. Of the following periodic waveforms the one having only odd harmonics of sinusoidal waveform is-

a. )1 and 2

b.) 1 and 3

c. )1 and 4

d. )2 and 4

Ans. a. )1 and 2

24. When in the network shown in the given fig, the switch K is dosed at t = 0 with the capacitor uncharged then the value for di(t)/dt at t = 0 will be –

a. )100 amp./sec.

b. )–100 amp./sec.

c. )1000 amp./sec.

d. )–1000 amp./sec.

Ans. b. )–100 amp./sec.

25. For the circuit shown in the given figure, the voltage VAB is –

a. )6V

b.)10V

c. )25V

d. )40V

Ans. a.)6V

26. In the network shown in the given fig. current i = 0 when E = 4V, I = 2A and I = 1A when E = 8V, I = 2A. The Thevenin voltage and the resistance into the terminals AB are –

a. )4V, 2W

b.) 4V, 4W

c.) 8V, 2W

d.) 8V, 4W

Ans. b.) 4V, 4 Ohms

27. The effective resistance between the terminals A and B in the circuit shown in the fig. is –

a.) R

b.) R-1

c.) R/2

d.) 6/11 R

Ans. c )R/2

28. When in a two terminal network, the open circuit voltage measured at the given terminals by an electronic voltmeter is 100V and a short circuit current measured at the same terminals by an ammeter of negligible resistance is 5A then if a resistor of 80W is connected at the same terminal, then the current in the load resistor will be –
a. )1A

b.) 1.25A

c). 6A

d.) 6.25A

Ans. a.)1A

29. If for the network shown in the following fig. the value of Z(s) is then the value of C and R are respectively –

30. In Faraday’s induction phenomenon, a changing magnetic field is accompanied by an electric field. Which of the following equation or equations represents it-

The electric potential due to an electric dipole of length L at point distance r away from it will be doubled if the -
a. ) Length L of the dipole is doubled

b. ) r is doubled

c. ) r is halved

d ) L is halved

When a particular mode is excited in a waveguide there appears an extra electric component in the direction of propogation . The resulting mode is
a. ) Longitudinal electric

b. ) Transverse electromagnetic

c. ) Transverse magnetic

d ). Transverse electric

When for a transmission line the open circuit and short circuit impedance are 20W and 5 W respectively then the characteristic impedance of the line is -
a. ) 100 Ohms

b ). 50 Ohms

c. ) 25 Ohms

d. ) 10 Ohms

In an ideal transmission line with matched load, the voltage standing wave ratio and reflection coefficient are respectively -
a. ) 1 and 1

b ). infinity and 1

c ) infinity and 0

d. ) 1 and 0

When an electric charge of 100 coulombs is enclosed in sphere of radius 100 m then the electric displacement density ( in coulomb / m2) D is –
a. ) 0.0833

b ). 0.833

c. ) 1.666

d. ) 10

For the dominant mode in a rectangular wavelength with breadth 10 cm, the guide wavelength for a signal of 2.5 GHz will be -
a. ) 12 cm

b. ) 15 cm

c. ) 18 cm

d. ) 20 cm

When the phase velocity of an electromagnetic waves depends on frequency in any medium, the phenomenon is called-
a. ) Scattering

b. )Polarization

c. ) Absorption

d. ) Dispersion

Antennas commonly used for microwave links are -

a. ) Loop antenna

b. ) Log-periodic antennas

c. ) Paraboloidal dishes

39. One of the following instrument which may be used to measure the optical activity of compounds is –
a. )Infrared spectrometer

b. ) Atomic absorption spectrometer

c. ) Polarimeter

d. ) Flouroscope

Schering bridge measures –
a. )Capacitance dielectric loss

b. ) Inductance

c. )Resistance

d. ) Mutual inductance

When a square wave is fed to an RC circuit, then –
a. ) voltage across R is square and across C is not square

b. ) voltage across C is not square and across R is not square

c. ) voltage across both R and C are square

d. ) voltage across both R and C are not square

The time constant of the RC circuit is –
a. ) less than the time period of the input square wave.

b ). much larger than the time period of the input square wave.

c. ) equal to the time period of the input square wave.

d ). none

Harmonic distortion for each frequency can be obtained by harmonic analyser of the –
a. )heterodyne type

b. ) tuned circuit type

c. ) fundamental suppression type`

d. ) bridge circuit type.

A three phase wattmeter requires –
a ). only two current coils and two pressure coils

b. )only one current coil and two pressure coil

c. ) only two current coils and one pressure coil

d. ) only current coil

A low pass filter circuit is basically –
a. ) a differentiating circuit with low time constant

b. ) a differentiating circuit with large time constant.

c. ) an integrating circuit with low time constant.

d. )an integrating circuit with large time constant.

If the differential pressure in restriction type flow measuring devices is then the flow will be proportional to –

When a system is represented by the transfer function then the dc gain of this system is –
a.) 1

b.) 2

c.) 5

d.) 10

Silicon based semiconductor device called thyristor was first fabricated by –

a). Jell laboratories in U.S.A

b). Maxwell laboratories in U.S.A

c.) Bell laboratories in U.S.A

d). GEC laboratories in U.S.A

A semiconductor based temperature transducer has a temperature coefficient of –2500mV/0C. This transducer is indeed a –

a.)Thermistor

b.) Forward biased pn junction diode

c. )Reverse biased pn junction diode

d.) FET

Which of the followings pairs of Telemetry situations and Modulation techniques and conditions is correctly matched-

a. )Pulse amplitude modulation Low amplitude signals

b. )Pulse position modulation For short distance when power is enough

c.) Pulse width modulation Power to be spent in telemetry is required to be low

d.) Pulse code modulation. Minimisation of interference effects.

The SCR ratings di/dt in A/m sec and dv/dt in n/m sec, may vary, respectively between-

a.) 20 to 500, 10 to 100

b. )both 20 to 500

c.) both 10 to 100

d.) 50 to 300, 20 to 500

Match the given controlled rectifiers with 50 Hz supply

a. )1 phase full converter with source inductance

b. )3 phase full converter

c.)3 phase semiconductor

d. )3 phase halls wave converter

For natural or forced commutation the cyclo converters (CCs) requires as under.
a) natural commutation in both step up and step down CCs

b.) forced commutation in both step up and step down CCs

c.) forced commutation in step up CCs

d). forced commutation in step down CCs

The peak inverse voltage in ac to dc converter system is highest in-
a). single phase full wave mid point converter

b). single phase full converter

c) 3 phase bridge converter

d). 3 phase half wave converter.

A single phase full converter feeds power to RLE load with R = 6 W L = 6 MH and E = 60 V. The ac source voltage is 230 V, 50 Hz, For continuous conduction, the average value of load current for a firing angle delay of 50 is
a.)12.181 A

b). 14.81 A

c). 16.76 A

d.) 32.40 A

Which one of the following is the Fourier transform of the signal given in fig. B if the Fourier transform of the signal in fig A is given by -

What is 215 complement of 00011100-
a.) 11100011

b.) 10001100

c.) 11100100

d.) 10000111

In C programming a expression contains relational operators, assignment operators and arithmetic operators if parentheses is absent then execution follows
a.) assignment, relational, arithmatic

b.) arithmatic, relational, assignment

c.) relational, arithmatic, assignment

d.) assignment, arithmatic, relational

In semiconductor memory information stored in form-
a.) binary

b.) hexadecimal

c.) octal

d.) ASCII

i\p to Not gate gives o/p as-
a ) inversion of some bits

b.) 2’s complement of i\p

c.) 1’s complement of i\p

d.) o/p is some as i\p

A negative logic means-
a .)logic 0 and 1 are represented by a +ve voltage respective

b). logic 0 and 1 are presented as –ve and +ve voltage

c. )logic 0 voltage is higher than logic 1 voltage level

d.) logic 0 voltage is lower than logic 1 voltage level

For designing D flip flop from SR FF a circuit is aloud at 01p of SR FF is-
a.) AND

b.) OR

c.) NOR

d.) NOT

The transistor shown in fig is

a. ) Silicon, NPN with Ic = 0.5 mA

b.) Silicon PNP with Ic = 0.5 mA

c.) Germanium PNP with IE = 0.5 mA

d.) Germanium NPN with Ic=0.5 mA

A 20,000 Ohms per volt meter will deflect full-scale with a current of -
a.) 50 mA

b.) 50 mA

c.) 100 mA

d.) 1000 mA

A plate modulated class –CRF power amplifier produces 100 KW of radiated power at 100 % modulation. The modulating audio amplifier supplies approximately ——– kW of this power-
a.)50

b).33

c).22

d).11

An amplifier without feedback has a distortion of 15 % and gain of 40. When 10% negative feedback is applied the distortion will become-
a.) 50 %

b). -45 %

c). 3%

d). -5%

MODEM implies-
a.)Modulator at transmitting side and ditector at the receiving side

b.)Which deals with analog signals and shows digital information

c.)Analog to digital at transmitting side and digital to analog at a receiving side

d).A device which deals with digital signals only

Twisted ring and ring counters are examples of –
a. )Synchronous counters

b.) Asynchronous counters

c.) both a and b

d.) None of the above

Specify Non characteristic flip flop in the following –
a.) The outputs are complement of each other

b.) The flip flop has two input signals

c.) The flip flop has two output signals

d). The flip flop is a bistable devise with only two stable states

The voltage obtained when digital input is 001 is a 3 bit R-2R ladder DIA converter is-
a.) VR/22

b.) VR/21

c.) VR/23

d.) none of the above

Identify NOT an octal number-
a.) 19

b). 15

c.) 77

d.) 101

The set of binary digits 01000100 represent’s-
a.) number 6810 in a pure binary computer

b.) number 44 in 8421 BCD code

c) Both a and b

d.) None of the above

The system matrix of a continuous time system, described in the state variable form is –

The system is stable for all values of x and y satisfying –

a.)x < 1/2, y < 1/2

b). x < 0, y < 2

c. )x > 1/2 , y >0

d.) x < 0 , y < 1/2

The break away and break in point in the root locus for open loop transfer function G(S) H(S) = are located respectively at –
a). –2 and -1

b). –2.47 and –3.77

c.) –4.27 and –7.73

d.) –7.73 and –4.27

The transfer function for the given system shown in figure is –

The type and order of the system whose Nyquist plot is shown in fig is-

a.)0.1

b.) 1,2

c.) 0,2

d). 2,1

The overall transfer function in a second order is given by-

Its resonant frequency is -

a.) 2

b.)

c).

d.) 3

The detection of an AM waveform in an Envelope –
a.)One side band and full amplitude carrier are needed

b.) Both side bands and full amplitude carrier are needed

c). Only two side bands are needed

d). Upper side band and part of carriers are needed

Satellite used for intercontinental communication is known as –
a.) Comsat

b). Dom sat

c.) Mari sat

d). Intelsat

Mark out non submarine cable –
a. )TAT – 7

b.) INTELSAT V

c.) ATLANTIS

d. )CANTAT 2

The capacity of an analog communication channel with 4kHz bandwidth and 15 dB SNR is approximately-
a). 20,000 bps

b). 16,000 bps

c.) 10,000 bps

d.) 8,000 bps

The blind speed of an MTl radar can be avoided by changing the-
a.) Carrier frequency

b.) Pulse repetition frequency

c. )Antenna rotation rate

d.) Transmitted power

The output voltage in a feedback series regulator circuit is regulated by controlling the-
a.) Magnitude of the input voltage

b.) Gain of the feedback transistor

c.) Reference voltage

d.) Voltage drop across the series pass transistor

Indicate the signal not transmitted in colour TV-
a.) Y

b.) Q

c.) R

d.) I

As frequency of singal increases-
a.) Directivity increases & beam width increases

b.) Directivity & beam width decreases

c.) Directivity increases & beam width decreases

d.) Directivity decreases & beam width increases

The number of hardware interupts (which require an external signal to interrupt) present in on 8085 mP are

a). 1

b). 4

c.) 5

d.) 13

Highest priority interupt is-

a. )INTR

b. )RST 7.5

c. )RST 6.5

d. )TRAP

One instruction cycle means-

a. )Time require to execute set of instructions

b. )Time require to execute one instruction

c.) Time require to complete one operation of accessing memory, or I/o

d.) None of above

If the clock freq. is 5 mH3 how much time is required to execute on instruction of 18 T-states-

a. )3.6 msec.

b.) 36 m sec.

c.) 36 m sec.

d.) 36 sec.

In data transfer operation which flog get affected-

a. )zero flog

b. )carry flog

c. )sign flog.

d.) none

CMP instruction comes under group -

a. )Data transfer

b. )Brouching operations

c). Machine control operation

d.) logical operations

The logic operation-

a.) are performed in relation to content of Accemce lotor

b).can be performed derectly with content of the register.

c.)are performed without content of a

d.)none of above.

What happen when PUSH instruction executed -

a.) data retrieved from stock to register

b.) data from register saved on the stock.

c.) 16 bit address of instruction saved on stock.

d.) 16 bit address from stock retrieved

SIM stands for-

a. ) serial interface memory

b.) set interrupt mosk

c. ) set if minus

d.) set internal memory

Maximum clock frequency required to operate 8085-

a. )2 MHz

b.) 3 MHz

c) 6 MHz

d. )9 MHz

ASCII code is-

a). 7 bit

b). 8 bit

c.)16 bit

d.) 32 bit.

In memory mapped I/O address lines are-

a. ) 8

b.) 16

c.) 32

d.) 64

The parity bit adding technique is used for -

a. )Indexing

b. )Coding

c. )Error detection

d. )Controlling

A demultiplexer-
a. )has multiple i/p and single o/p

b.) has single i/p and multiple o/p

c.) has multiple i/p and multiple o/p

d.) has single i/p and single o/p

Subroutines are useful-
a. )to reduce storage requirements

b.) to increase programming speed and reduce storage

c.) most applications are same

d.) but increases expense

Short Service Commission (SSC) in the Technical Branches (Engineering and Electrical) of the Indian Navy

careerman77 — Wed, 07 May 2008 07:34:18 +0000

Applications are invited by the Indian Navy from unmarried male Indian citizens for

Short Service Commission (SSC) in the Technical Branches (Engineering and Electrical) of the

Indian Navy for Course commencing Jan 2009 at NAVAC Ezhimala, Kerala

Eligibility

Age
19 ½ to 25 years(candidate to be born between 02 Jan 1984 to 01 Jul 1989;
both dates inclusive).

Educational Qualifications
BE/B Tech (or equivalent) from a institution recognized by AICTE with minimum 55% marks in aggregate. Calculation for aggregate percentage should be based on total marks obtained in all the semesters (including I & II ), divided by total number of semesters, in any of the following disciplines :

(a) Engineering Branch. (i) Mechanical, (ii) Production, (iii) Aeronautical,
(iv) Marine, (v) Control.

(b) Electrical Branch. (i) Electrical, (ii) Electronics, (iii) Telecommunications,
(iv) Avionics, (v) Instrumentation & Control.

Note
Candidates appearing in 8th Semester of BE/B. Tech who will be able to produce proof of passing with 55% aggregate by Date of Commencement of Course (Jan 09) may also apply.

Physical Standards
(a) Height and Weight. Minimum height - 157 cms with correlated weight,

(b) Eye Sight. The minimum acceptable vision standard for distant vision
6/24, 6/24 correctable to 6/6, 6/6 with glasses. Should not be colour/night
blind.

How to apply

Application Forms, in accordance with the prescribed format, and complete in all respects with superscription on the envelope “SSC Engineering / Electrical Branch – JAN 09 course Qualification & Stream (e.g. Mechanical/Electrical/ Electronics etc) ……………. Aggregate Percentage……….% ” are to be sent to the address given below by 03 Jun 08. Application sent by Speed Post/Regd Post/ Courier will not be accepted.

POST BAG NO. 04, RK PURAM PO(MAIN), NEW DELHI – 110066

For more details browse http://www.nausena-bharti.nic.in/DownLoads/SSC/obs/ssce.pdf

Applicatiopn form and full details

Great Opportunities for Engineers & Scientists in Defence Research & Development Service (DRDS)

careerman77 — Thu, 01 May 2008 02:33:34 +0000

DEFENCE RESEARCH AND DEVELOPMENT ORGANISATION (DRDO)

Requires Scientists

Advt. No. 89

Closing Date of Advt. : 31-05-2008

Challenging opportunities for Engineering Graduates in Electronics & Communication Engg , Mechanical Engg , Computer Science & Engg, Chemical Engg, Electrical Engg., Instrumentation Engg and Metallurgical Engg. and Post Graduates in Chemistry and Physics in DRDS.

DRDO, India’s Premier Technology Organization employs bright, qualified and competent scientists and technologists in Group ‘A’ (Class-I) technical service known as Defence Research & Development Service (DRDS).

RAC INVITES APPLICATIONS FOR ENTRY INTO DRDS AS SCIENTIST-‘B’ IN THE SCALE: Rs.8000-275-13500 (TO BE REVISED SHORTLY AFTER GOVT APPROVAL ON 6TH PAY PANEL) THROUGH DRDO SCIENTIST ENTRY TEST (DRDO SET) - 2008

VACANCIES / SUBJECTS

Subjects Code UR OBC SC ST Total

Electronics & Comm. Engineering EC 83 42 23 12 160

Mechanical Engineering ME 65 36 20 09 130

Computer Science & Engineering CS 41 21 12 06 80

Chemical Engineering CH 09 06 03 02 20

Electrical Engineering EE 09 06 03 02 20

Instrumentation Engg IN 11 05 03 01 20
Metallurgical Engineering MT 11 05 03 01 20

Chemistry CY 12 07 04 02 25

Physics PH 12 07 04 02 25

ELIGIBILITY

Essential Qualifications
Atleast first class Bachelor’s degree in Engineering or Technology in Electronics & Communication Engg / Mechanical Engg / Computer Science & Engg/ Chemical Engg/ Electrical Engg./ Instrumentation Engg/ Metallurgical Engg. or first class Master’s Degree in Science in Chemistry/Physics from a recognized University in respective/relevant discipline.

Age Limit
The upper age limit is 28 years (as on 31st May 2008). It is relaxable for SC/ST/OBC/HH/OH candidates in respect of vacancies reserved for them as per rules in vogue. Age is also relaxable for Armed Forces Personnel as per rules in vogue.

Nationality
Only Indian nationals need apply.

SET - 2008
After ensuring that the above eligibility conditions are satisfied, candidates are required to apply in the Electronically Scannable Application Form specified for DRDO SET - 2008. These application forms with the information brochure containing the syllabus and instructions for filling the application will be available at the designated Branches of State Bank of India (for details visit http://rac.drdo.in ) from 5th May 2008 to 31st May 2008 to General/OBC candidates on payment of Rs. 300/- (Rs. 100/-for the application form with information brochure and Rs. 200/- as Exam. fees). For SC/ST candidates there is no Exam fees and the application form with information brochure will be available to such candidates on payment of Rs 100/- only. Forms purchased from the designated Branches of State Bank of India should be filled in accordance with the instructions given in information brochure. However, for HH/OH candidates, there is no Application / Examination fee. Such candidates may obtain application form free of cost from RAC by sending a copy of “Prescribed Disability Certificate” issued by competent authority as per G.I.,Dept. of Per. & Trg.,O.M. No 36035/3/2004-Estt (Res), dated 29 Dec 2005. The filled in application forms should be sent/submitted to The Director, Recruitment & Assessment Centre, Lucknow Road, Timarpur, Delhi – 110054 latest by 31st May 2008. The application form should be filled carefully, without over writing, as these will be machine processed and no manual checking will be done. Onus of satisfying the eligibility requirements for appearing in the chosen subject lies with the candidate. In respect of applications sent by Post by candidates from Andaman & Nicobar Islands, Lakshadweep, NE Hill Region, Jammu & Kashmir, Lahul & Spiti Districts & Pangi Sub-division of Chamba District of Himachal Pradesh and abroad, closing date of receipt of applications is 10th June 2008.

Candidates appearing in the final examination (final semester) may also apply. However, candidates found eligible for interview, will be allowed to appear for the same if their final results is declared before 31st Aug 2008.

DATE & TIME OF DRDO SET – 2008: Sunday, 7th September 2008; 1000 - 1300 hrs

APPLICATION FORMS
Candidates are advised to obtain the application forms from designated branches of State Bank of India only. However, in case of any difficulty in obtaining the application form, the request may be sent to Director, Recruitment and Assessment Centre (RAC), Lucknow Road, Timarpur, Delhi-110054 by enclosing a crossed demand draft for Rs. 350/- (Rs.300/- for application form + Rs.50/- for handling charges) for General/OBC and Rs. 150/- (Rs.100/- for application form + Rs. 50/- for handling charges) for SC/ST candidates, in favour of “Director RAC”, payable at Delhi. The candidate must write his/her name, address, contact (Tel/Mobile) number and e-mail address at the back of demand draft. HH/OH candidates may obtain application form free of cost from RAC by sending a copy of “Prescribed Disability Certificate” issued by competent authority. The request for obtaining the form must reach Director RAC, Lucknow Road, Timarpur, Delhi-110054 latest by 20th May 2008, accompanied with two self addressed white slips of size 4” x 3”. The envelope must indicate “REQUEST FOR APPLICATION FORM ADVT NO. – 89”.

For Full Details click here http://www.drdo.com/set_advt_08_advt89.htm

For full details click here

Also visit http://rac.drdo.in/

M Tech. M Des. and Ph D. Admissions 2008 - IIIT Jabalpur

careerman77 — Sat, 19 Apr 2008 01:49:18 +0000

M.Tech. M.Des. and Ph.D Admissions 2008 - IIIT Jabalpur

IIIT (Indian Institute Of Information Technology, Design And Manufacturing) Jablpur, invites applications for M Tech, M Des and Ph D

Eligibility

M Tech:

Computer Science & Engineering

B Tech/ BE in any engineering discipline OR M Sc in Mathematics, Statistics or a similar discipline OR MCA with

minimum marks/CPI in Qualifying Degree and
valid GATE score in Computer Science and Engineering/ Information Technology/Mathematics/ Engineering Sciences (compulsorily with Sections Computational Science and Electrical Science)

Electronics & Communication Engineering

B Tech/ BE in Electronics/ Electronics and Communication Engineering/ Electrical Engineering/ Electrical and Electronics Engineering/ Instrumentation Engineering or a similar discipline OR M Sc in Electronics/ Electronics Science/ Physics/ Mathematics or a similar discipline with

minimum marks/CPI in Qualifying Degree and
valid GATE score in Electronics and Communication Engineering/Electrical Engineering/Instrumentation Engineering/Physics.

Mechanical Engineering
B Tech/ BE in Mechanical Engineering/ Aeronautical Engineering/ Automobile Engineering/ Production Engineering/ Industrial Engineering/ Production and Industrial Engineering/ Metallurgical Engineering/ Manufacturing Science and Engineering/ Energy Engineering or a similar discipline with

minimum marks/CPI in Qualifying Degree and
valid GATE score in Mechanical Engineering/Production and Industrial Engineering/Metallurgical Engineering/Engineering Sciences (compulsorily with any two of the sections Fluid Mechanics, Materials Science, Solid Mechanics or Thermodynamics).

M Des:

B.Tech/ B.E./ B.Arch. /B.Des./ BFA /M.Sc. /M.A./ MCA with

Minimum marks/CPI in Qualifying Degree
Valid score in CEED examination

Minimum marks/CPI in Qualifying Degree: 55% marks / 5.5 CPI (on a 10-point scale) as long as it is at least seven percent higher than the minimum pass marks /CPI for General Category applicants and minimum passing marks for SC/ST applicants. GATE /CEED score requirement is waived for sponsored candidates.

Ph D:

Computer Science & Engineering

M Tech/ ME in Computer Science & Engineering or Information Technology or a similar discipline with minimum marks/ CPI in Qualifying Degree.

Electronics & Communication Engineering

M Tech/ ME in Electronics/ Electronics & Communication Engineering/ Electrical Engineering or a similar discipline with minimum marks/ CPI in Qualifying Degree.

Mechanical Engineering

M Tech/ ME in Mechanical Engineering/Production Engineering/Industrial Engineering/Production and Industrial Engineering or a similar discipline with minimum marks/ CPI in Qualifying Degree.

Minimum % of marks in Qualifying Degree: 55% marks or CPI of 5.5 (on a 10-point scale) for General Category applicants and Pass Percentage marks for SC/ST applicants.

Important Dates:

Issue of Application forms: 12-04-2008
Last date of receipt of Application form: 07-05-2008

Written test/interview

M Tech/MDes: 04-06-2008 and 05-06-2008

Ph D : 06-06-2008

How To Apply:

Application forms and detailed information can be downloaded from Institute website

www.iiitdm.in

or can be obtained free of charge, from the Convener (PGCS), PDPM IIITDM Jabalpur, C/o IT Bhawan, JEC Campus, Gokalpur, Jabalpur 482 011 personally or by sending the request for the same along with a self-addressed and stamped (Valued Rs.30) cloth-lined envelope of 23 cm × 17 cm with a clear identification for the programme you are applying for.

Application Forms are available from April 12, 2008.

Application Forms duly filled up along with a Demand Draft of Rs. 200/- for Gen & Rs.100/- for SC/ST category in favour of

The Registrar, PDPM-IIITDM Jabalpur, Payable at SBI Branch Jabalpur

must be received latest by May 07, 2008.

For more details refer www.iiitdm.in

Interview Question Asked Interview Question for Electrical Engineering

morgan — Mon, 18 Feb 2008 08:59:37 +0000

Digital Electronics

Mention the working regions of transistor as a switch.What is Schotky diode?
Explain excess 127 format
Differentiate between combinational and sequential circuits
What is a TTL floating input equivalent to?
What is active high and active low logic?
How is race around condition eliminated in master slave JK flip flop?
Differentiate between latch and flip flop
Give a simple method for frequency division.Realise a half adder circuit
Uses of Schmidt trigger circuits. How can you eliminate noise in digital circuits?
Explain low pass filter

Analog Electronics

What is Barkhausen criterion?Draw RC phase shift oscillator and explain
How is Laplace transform useful in solving analog circuits?
Why is common collector configuration not used for amplifier?
What is ripple factor?What is hard saturation in transistors?
What is thermal runaway?What do you mean by rms value of current?
Practical applications of variable resistance What is form factor?
Does an oscillator have an input? If so, draw it

Power System Engineering

It is always advisable not to keep your feet apart when standing in a substation yard. Why? What is step potential?
Does corona has any advantage in power system?
What are lightning arrestors?
What are the different power system losses and how can it be eliminated?
What is the criterion for selection of system voltage?
What is the difference between an insulator and a dielectric?
What is bus bar? Differentiate between an insulator and a dielectric
Explain the principle of operation of a relay and a circuit breaker?
What is skin effect? Why is voltage stepped up before transmission?
Explain transmission and distribution systems
What are the standard transmission and distribution voltages
How are turbines selected to be installed in a generating station?
Which is better 50 Hz supply or 60 Hz? Explain
What are the disadvantages of low power factor?
What is grading of a cable?
Explain the power rating of a bulb, say 60W, what if the voltage changes?
Why is the earth pin in a 3-pin plug the longest and the thickest?
Is there any difference between circuit breakers and isolators?
What is IDMT? What is the principle?
What is SCADA?
Which is the oldest generating station in Kerala?
Which type of luminance has greater visibility- GLS or FL?
Why do we use a trap draw circuit?
What is power line communication?
What are traveling waves?
How can you decrease the harmonics in a waveform?

Electrical machines

Why are tertiary windings used in transformers?
What is the wattage of a ‘zero-watt’ bulb?
Which type of winding would you choose for low voltage high current generators and why?
Why do series motors have high starting torque?
What is regenerative braking? What are its advantages?
What happens if armature and field coils of a generator are interchanged and used? Why are induction motors more widely used?
What are brushless alternators? What is plugging of an induction motor?
What are equalizer rings used for?
Which is more dangerous- shock due to ac or dc?
How is the alternator synchronized to the main busbar?
What are the applications of servomotor?
How do you specify the rating of a transformer?
What is specified in synchronous watts?
How are lines affected by synchronous operation?
Which is the motor used in fans?
What is the purpose of compensating winding? What are dummy coils?
Why is transformer rating specified in kVA?
What is phase swinging? What is phase margin?

Electrical Measurements

What are integrating instruments?
Differentiate MC and MI instruments

Power Electronics

How do you convert fixed ac to variable ac?
Can an inverter be used as a converter? How?
Explain the effect of a free wheeling diode.

Frequently Asked Electrical Lab Viva Questions

morgan — Mon, 18 Feb 2008 08:33:55 +0000

FREQUENTLY ASKED QUESTIONS

1. Conduct a suitable test on the given dc series motor and draw the Electrical characteristics and determine the torque developed at half rated output.

ANS: Conduct actual loading test(Break test) and draw the characteristics and from it determine the torque corresponding to half rated output

2. Conduct a suitable test on the given dc shunt generator and determine the critical resistance.

Ans: Conduct the OCC test on the dc generator. Draw a tangent to the initial part of the OCC… The slope of that line gives the critical resistance

3. Conduct a suitable test on the given dc shunt generator, draw the internal characteristics and find out E.M.F induced when the load current is 10A.

4.Plot the mechanical characteristics of the given d.c series motor by conducting a suitable test and determine the efficiency at 3/4^th full load.

ANS: Conduct actual loading test(Break test) and draw the characteristics and from it determine the torque corresponding to half rated output

5 Draw the equivalent circuit of the given single phase transformer by conducting a suitable test.

ANS: Perform OCC and SCC and obtain the circuit parameters and draw the circuit

6.Pre determine the efficiency of the given single phase transformer at 3/4^th full load.

find out no load losses n full load copper losses frm OC n SC tests

eff = output/(output + iron loss + (3/4)^2*Cu loss)

7.Conduct a suitable test on the given dc shunt generator and draw the load curve. Also find out the voltage drop across the load at ¾ ^th full load

8.Determine the regulation of the given d.c compound Generator at ¾^thfull load current.

9.Conduct a suitable test on the given dc machine and predetermine the O.C.C at ¾ ^th rated speed and find voltage induced at 110% of its excitations under open circuit condition.

Perform OCC at 1500*0.75 rpm

10. Find the critical speed of the given d.c machine by conducting a suitable test.

See quest 2

11.Predetermine the efficiency of the given d.c machine by conducting a suitable test at half rated load.

12.Draw the equivalent circuit of the given three phase transformer by conducting a suitable test

13. Pre determine the regulation of the given single phase transformer at 3/4^th full load and 0.8pf leading.

Use formula where cos Φ = 0.8 and current + .75 full load current.

14. Conduct a suitable test and determine the fraction of load at which maximum efficiency occurs in the given single phase transformer.

Use formula for load at max efficiency

Load corresponding to max efficiency

=( full load* √(iron loss/ full load copper loss))

15. Pre determine the maximum efficiency of the given single phase transformer.

Ans: By conducting SC and OC tests, find out the iron loss and full load Cu loss. Then, find the load at which CU loss = iron loss by:

(x^2)*Full load cu loss = iron loss..

Where ‘x’ is the fraction of full load current.

Find out output = x* rated output. Find efficiency = output/(output +iron loss+ cu loss)

16. Conduct a suitable test and measure the reactive power using single wattmeter for the given balanced 3 phase load.

17. Conduct a suitable test and determine the power factor of the given 3 phase balanced load.

18. Conduct a suitable test and determine the torque at 2% slip on the given 3 phase induction motor.

19. Conduct load test on the given 3 phase induction motor and determine the efficiency at half the rated input current.

(Use star-delta starter for starting)

20. Conduct a suitable test and determine the efficiency at half rated load on the given 3 phase induction motor.

21. Conduct a suitable test and separate the different losses on the given dc machine.

22. Conduct a suitable test and separate the different losses on the given single phase transformer.

23. Find regulation of single phase Transformer at zero pf

ANS : sc test

DC Motor viva qns.

1) How can be the direction of rotation of motor be reversed?

2) If the direction of terminals of a dc series is reversed, what will happen?

3) What will happen if ac supply is given to: a) dc shunt motor b) dc series motor. Explain your answer

4) What is the need for starter for a dc motor?

5) What will happen if a shunt motor is connected to the supply line directly?

6) A dc motor is found to stop running after a short period of time.What do think could be the possible causes? How can you remedy each?

7) Comment on the running of a a)dc series b) shunt motor when supplied with only half the rated voltage

What will happen to the losses in a dc motor when its supply voltage is: a) doubled b) halved

9) Which is the most efficient method of increasing the speed of a 3.75kW dc shunt motor?

10) What is the main advantage of Ward-Leonard system used for speed control?

11) What are the various speed control methods used to bring down speed of a motor from rated?

12) Give three main applications of dc shunt and series motors

13) Where are dc compound motors used?

14) Which motor is preferred for traction purposes? Why?

15) What is meant by regenerative braking? What are its advantages? Give one of its

main applications

16) What is the nature of the emf wave produced in the armature conductors of a dc motor?

17) Give the type of dc motor used in the following cases: a) lathes b) cranes and hoists c) shears and punches d) machine tools

18) Why is the shaft torque of a dc motor less than its armature torque?

19) Sketch the N-T characteristics of dc series and shunt motors

20) Explain the significance of the back emf in a dc motor

21)What is meant by the shaft torque of a motor?

22) In case of dc shunt motors, can flux control be used to reduce the speed below rated speed?

23) Where are differentially compounded shunt motors used?

24) What may be the causes of sparking in a motor?

25) Can a dc motor be made to work as a generator? Discuss the relative ratings in both cases(ie which will be greater etc)

26) Explain the characteristics of all types of dc motors and explain their applications.

27)What will happen if field of a dc shunt motor, running at no load, gets opened accidentally?

28) What will happen if field of a dc shunt motor, running at loaded condition, gets opened accidentally?

29) Why is the speed of dc shunt motor constant?

30)Why is field rheostat in dc shunt motor circuit kept minimum during starting?

31)What are the speed control methods for obtaining speeds greater than rated speed?

and for speeds less than rated speed ?

DC Generator

1. What is meant by armature reaction? What are the components of armature reaction?

2. Which law does d c generator work on?

3. What is meant by commutator?

4. What are brushes made of ?

5. What are the different types of DC windings?

6. When are lap and wave windings used?

7. What are advantages of Lap windings over wave?

8. What are the different types of dc generators?

9. What are the applications of DC shunt generators?

10. What are the applications of DC series generators?

11. What are the applications of DC compound generators?(differential and commutatively)

12. What are the various losses in a DC machine?

13. Give the condition for maximum efficiency.

14. What are compensating windings?

15. What are compoles?

16. What is meant by commutation ?

17. what is the reason for sparking in dc machines ?

18. How can this be over come ?( methods to obtain proper commutation)

19. Why do we require equalizing connections?

20. Why parallel operation of generators required? What are the conditions for parallel operation?

21. Which type of generators is used for parallel operation?

22. Define critical resistance of a DC generator.

23. what is meant by critical speed?

24. What are the conditions for build up of voltage in a shunt generator?

25. Explain the load characteristics(external characteristics) of a shunt generator.

26. When are series generators used?

27. Why is the field rheostat of dc shunt generator kept at maximum value during start?

Transformer

1. Why rating of a transformer is in KVA?

What all factors decides the iron losses in a transformer?( Ans. Frequency, Flux density, volume of iron used)

What factors decides the copper losses in a transformer? (load current. Power factor of load)

Could a 50 Hz transformer be used on a 60 Hz supply? If so what would happen?

(yes but iron losses becomes 11 % higher)

What is the condition for maximum efficiency of a transformer? What is the load current at this condition?(copper loss=iron losses)

Why do you need to do Sumpners test ?(Copper and iron loss occurring simultaneously so even temperature rise of a transformer under actual conditions can be estimated, while in SCC and OCC either copper or iron loss occurs while under real operating conditions both occurs)

What would be the magnitude of no load current of a transformer?(10% full load current)

Why does a no load current flow ? (or does current flow when secondary is open)

Are copper losses affected by the load power factor?( yes , because load current changes)

How do you determine polarity of a transformer ?

What is regulation of a transformer ?

Which is a better transformer, one with a) regulation=5% or b) regulation =10% ?

( ans. Transformer (a)) )

Draw a phasor diagram of a transformer(under different conditions, no load, loaded etc.)

Difference between Core type and Shell type of transformers, advantages of each and when each are used .

What is Buccholz relay ? (To detect moisture and formation of gases inside tank due to insulation break down or due to short circuit between phase windings.)

Why are cores of transformers laminated ?

What are Askarels ?(transformer oils)

What are advantages of stepped core ?

What are the different methods of cooling a transformer ?

why does a transformer produce a humming sound ?

Give the EMF equation of a transformer.

Why is the OCC test conducted in the low voltage side and high voltage left open? ( as in text + ratings of the instruments are reduced, if we hav to conduct in HV side we would have required larger rating of voltmeter)

Why is SCC performed in the HV side and keep HV side shorted ?

How can you separate the Hysterisis and Eddy current losses from OCC test ?

Why are OCC and SCC conducted to determine equivalent circuit while direct

loading is not performed? (Ans. Energy consumption is large and difficulty to arrange very large loads)

What is the approximate efficiency of a transformer? (Ans. 98, because no moving parts)

Is efficiency affected by power factor of the load ?( see quest 9)

What is all day efficiency? For which type of transformer is it specified ?

What are auto transformers ? How are they advantageous ?

What are the conditions for parallel operation of transformers ?

Why is parallel operation necessary?

What happens if the conditions are not satisfied ?

What are advantages and when are the different configurations of three phase transformers preferred? (delta-delta, star-delta, star-star, delta-star)

What is open delta configuration?

Why is transmission done in Star configuration ?

What are instrument transformers? Why are they used?

Can a transformer be used with d.c. supply ?

Why is Scott connection used?

What is meant by tertiary winding of transformer? Why are they used?

(Ans. To supply station auxiliaries with low voltages, to connect static

capacitors for power factor correction, to reduce impedance offered to zero

sequence currents during earth fault, for interconnection between

transmission lines, for measurement purposes, used for stabilization.)

DC Motor viva qns

morgan — Mon, 18 Feb 2008 07:33:43 +0000