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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the relationship between the sending end and receiving end?

4 6460

what diferent amoung three phase supply?

1 3725

single phase 230v three phase voltage 415volt why we aren't used line voltage 690v?

Citec,

7 24181

which is better VCB or ACB and why?

7 15252

What is difference between AC and DC resistance

Eaton,

9 31954

Differentiate AC and Dc resistance

1964

What is BKW of Motor. And what its significance

CGL, PK, Thermax,

1 34210

line vltage of three phase distribution transformer is 433v and phase voltage is 250v,but we required 230v for domestic distribution,then how we reduce phase voltage of transformer

5 7843

why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply

APTransco, Proman,

12 20978

1. What are the tests to be carried out for CBCT? 2. can measure the secondary resistances? 3. with respect to secondary maximum how much voltage can be applied for IR test.

1958

At what point crngo works like as crgo

1950

if harmonics is generates on the secondary side of transformer then why we put LC ckt on prim side?(i m talking abt rectiformer transformer)

1877

How we do the maintenance of Servo motor, even we cant open it?

ITC Infotech,

2234

A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.

2047

what is power factor?

CA,

7 9054

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Un-Answered Questions { Electrical Engineering }

In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

2361

what is meant by k-rating in isolation transformer?what is k9, k14 stands for?

2834

list the advantages of RCCB over other circuit breakers?

1766

Why increase in current leads to increase in conductor temperature?

1186

can u give me a brief idea about power line carrier communication ??

2045

what is cathodic protaction?

2040

where lt & ht capacitor used

2281

How we select the vector group of 3phase power transformer?

2802

What is shutdown of electrical sub station?

2557

ult of expression 'document.FrmQF.myem

2135

wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

1976

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

2575

what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

2047

why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1844

How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2135

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