Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

What is the diffrence between an ELCB(earth leakage circuit breaker) and RCCB(residual current circuit breaker)?which has higher degree of safety and why?

2 8054

what are the variois ways to come out of the wait state?

2242

WHAT THE DIFFERENCE BETWEEN JCB 3DX & 3D?

HCC, L&T,

7 45123

1.select bearing for flywheel to have a life of 5 years ? 2.select minimum diameter of the crank pin to work for at least 1 year? 3.select suitable belting to connect motor and pulley shaft(flywheel shaft)?

1831

what is the function of breather in a transformer

Areva, Bhel, RKM Powergen, Vijai Electricals,

29 115910

what is the function of buchhos rely in transformer

5 8689

what is the function of conservater in transformer

3 12940

what is the function of cooling tubes in transformer

4 27128

i got the call from toyata for sales and marketing.forward me aptitude question paper for practice.

Nandi, Toyota,

2246

if all user defined constructor of a class made private,can we create an object of that class?justify your answer with an example.

2 4926

kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

Birla,

4 16162

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1927

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2318

Differenciate between circuit wiring and sub main wiring with illustrations

MU,

2269

3. What is Impedance Voltage in Transformer?

KESC, L&T, Torrent Power,

16 114124

Un-Answered Questions { Engineering }

Explain the purpose of inductor in an electric circuit?

1146

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

1666

What is the basic principle of operation of alternators/dc generators?

1123

how to calculate insulation level of transformer?

1702

whati s the sludge current in ups

2261

postfix expression for x^y^z-m+n+p/q ?

2238

How to operate a ac chilar plant?

2511

Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

4424

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1808

what do you mean by plant earthing system.

2084

what is gas metering system? gas chromatograph? and gas compressors?

2471

11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

1941

which field is comparitively very best , today and in future while considering the following : ELECTRONICS [OR] NETWORKING

1849

how brushed dc motor operating ?

1904

What are different types of wet processing?

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