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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to calculate the no load current in transformer?

2522

sir i had plane to do some project with the base of hopkinson test in AC supply its possible

1865

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1989

difrence bitwin boost charge and float chargeing

1 4341

what is the minimum bdv value for 400 kva transformer?

2 8878

what will happen if i connect 12 volt battery with 24 volt battery charger.

1901

which oil used in transformer?

5 7110

How to distinguish whether MCB is DC or AC looking at it physically

1972

In the transformer, in which form we see the losses of transfprmer ?

3 5675

What is the ideal power factor?

1 4116

why transmission lines traveled in high voltage?

TATA,

5 8603

What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

2096

Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

2032

What are the different losses In a de mac1une'! t.xplam

2748

What are the effects of armature reaction on a DC machine and discuss the various methods to reduce the effect.

1 4090

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Un-Answered Questions { Electrical Engineering }

determine two methods to find loose connection in operational electrical system?

1684

how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

1843

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1930

What do you mean by per capita requirement of electrical energy in india

2252

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1493

please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

1602

acb(AIR CIRCUIT BREAKER)NOT CHARGING AUTO

2398

I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting

1475

Can you explain about Restricited earth fault protection scheme

1854

what is the range of maximum DOL and SDS can be use for pump and fan application

1115

why do we carry out winding resistance test?

2285

Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1765

DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

2614

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

2266

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

1956

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