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 differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply

eLab, Hero Honda, NTPC, Suzlon, Teradyne,

10 37161

What is the meaning of maximum demand

MN Dastur,

21 59264

what is star&delta connections?

5 11882

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2965

What is the use of centrifugal switch in 1phase induction motor? Why is it so called?

2 7904

What does negative slip of an induction motor signify?

Tata Elxsi,

10 46649

In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

Essar, GAIL, Vizag Steel,

19 29351

WHY IS THE SIZE OF HOLE OF THE EARTH POINT IN THE PLUG POINT BIGGER THAN PHASE AND NEUTRAL

Jindal,

7 14764

What is the meaning of BUS?

CII, KLG Systel,

20 28198

What is the meaning of GRID?

21 41511

What about Reactive power.and role of that one?

7 10962

The importance of resonant filters in converters?

1 3762

How much Fault current can be contributed by a motor?

4 8032

In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 11349

what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?

BARC,

5 9219

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Un-Answered Questions { Electrical Engineering }

how to compute kvar in substation feeder to improve power factor and sending voltage

2140

operation of protection relay watchdog contact?

2405

What is vacuum circuit breaker.define with cause and where be use it device?

1308

Where is servomechanism used?

1217

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

1846

i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

2036

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

2076

A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

2591

What is Diff btw Fire Alarm & VESDA System???

2401

difference between main metering kiosk and check metering kiosk

3003

what is meant by twilight switches 7 where its applicable ?

1918

What is the range of the stator resistance of 3 phase induction motor?

1901

what is the voltage regulation for unity and zero power factor?

2316

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

1916

how does the thyistor work in dc drive?

1982

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