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 12239

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

1 5381

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

5 9067

which is better 50 HZ supply or 60 HZ supply?

6 12090

Difference between KW & kVA

7 11120

why -48 volts dc used in telecommucation

2574

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

2047

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

Areva,

3 17148

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

2140

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

HTA Instrumentation,

12 43529

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,

2093

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

1954

what is the difference between electrical & electronics?

8 9810

Why indicate only 440V to 3-phase supply.

4 9112

DIFFERENCE BETWEEN QA & QC

L&T,

4 18012

Un-Answered Questions { Engineering }

what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

3678

in a pump, impeller wear ring is harder or casing ring? why?

2569

What are the causes of troubles in boiler during operations?

1921

What is meant by commutation?

1056

please inform about the date of exam of hpcl for fresh engineers recruitment in mechanical stream?

2035

What is dart?

difference between w2k and win xp....

1745

1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2720

convert 140 N.m/cm^2 to N.m/mm^2

2001

What parameters to be reported when we send lubricating oil for shore analysis?

1880

Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

1366

how to find quantity of concrete in PCC M15

2105

Explain Consumer buying behavior ?

What is the correct way of weather proofing?

2024

what is the different between mechanical starter vs electrical starter? Solid stage starter? Soft starter?

2254

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