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

Overall Heat transfer coefficient.

3 5174

what is the difference between tsp & tower

2437

Where is 2 phase supply used commercially?

NTPC,

3 8780

what is the type of earthing

2229

why the rating of dc generator is in kw where as rating of alternator is in kva?

3 25345

HOW DISTANCE PROTECTION IS DONE IN EHV TRANSMISSION LINES? WHAT IS THE BASIC TECHNIQ OR FUNDA USED BEHIND THIS ? SPECIALLY EXPLAIN?IMPEDANCE METHOD.

ABB,

2 7291

dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 3711

how the percentage impedance affect the transformer loading when connected in parallel.?

1 4737

WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

ABB,

1 3997

.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

ABB,

2 6210

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

ABB,

2271

what is meant by motor startup supervision & motor load jam protection ?

ABB,

6011

what is meant by trip circuit supervision & directional or non directional over current ?

ABB,

1 5752

what is isdn.

5 6700

how can i replace annular plats in tanks

2130

Un-Answered Questions { Engineering }

when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

1455

What is the difference between undo & redo?

1269

can anyone provide apgenco previous question papers and materials to this id balarajyarajala@gmail.com

2402

can the measured percentage error during calibration of single phase energy meter be negative?

2410

how the silicon knows 0's and 1's...

1857

Explain the functions of line .

What are the advantages of using a fet instead of a bjt?

1034

What is the use of array command?

1213

please send me previous question papers of rrb chennai applied for junior engineer in mechanical dept

1998

Suppose you want to form a conceptual model of UML.What elements would you require for this purpose?

2109

dear friends, pls tell me why silicone oil is used as dielectic medium in pressure transmitters

2281

Define knee voltage of a diode.

1094

What is the amount of work done by a carpenter, bar Bender and plaster Mason in interior and exterior plaster

2304

Is there any relation between Artificial Intelligence and Instrumentation?

1150

How much for the BRC lapping in full yield and half yield < and which table to get it ?

2498

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