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

why we do occ & scc test in transformer ?how we can do it ?

2 12369

how squirrel cage & slip ring motor works? how they differ from each other

1 5480

why the earth pin in a 3-pin socket is longer and thickest?

5 9252

which is better 50 HZ supply or 60 HZ supply?

6 12298

Difference between KW & kVA

7 11374

why -48 volts dc used in telecommucation

2669

Dear Friends, I am going to attend BHEL supervisor trainee Writtern Exam in mechanical major. anybody Know the old questions of bhel Sup. trainee exam, please send it to me, my mail ID is sarvenkatg@gmail.com

2096

What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

Areva,

3 17299

i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester

2175

what is difference between 3 wire and 4 wire RTD sensor?

HTA Instrumentation,

12 43942

Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

Piramal Healthcare,

2137

my jindal interview is on 24th.. can anyone give me few tips regarding the same? lik how i shud prep

2000

what is the difference between electrical & electronics?

8 10079

Why indicate only 440V to 3-phase supply.

4 9287

DIFFERENCE BETWEEN QA & QC

L&T,

4 18172

Un-Answered Questions { Engineering }

what are the various technique used for inter process communication?

2184

what is the difference between neutral and earth

2130

what is SIL 1 2 3

2047

How the annunciator works ? How to do its wiring

2312

what is practical application of clipper circuit?

4258

what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

2030

Explain the differences between aeronautical engineering and astronautically engineering?

1118

An elastomer is a polymer when its percentage elongation rate is ?

1305

what is vtg limit of earth and neutral at transformer side?

2052

Explain some common piping materials used to transport slurries?

1123

HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

2209

HOW TO CALCULATE HV CABLE SIZING?

3232

I have an instrument that involves an electronic circuit. In circuit there is a PTC B754 (having operating voltage 230V). PTC is already damaged and same PTC is not available in market. Now what can i do to solve that problem.

2624

BEL old probationary engineering questions and answers

5247

What the difference between ac and dc inductor an capacitor

2472

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