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

NTPC, Hero Honda, Suzlon, eLab, Teradyne,

10 26622

What is the meaning of maximum demand

MN Dastur,

21 41418

what is star&delta connections?

5 7568




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

1689

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

2 5518

What does negative slip of an induction motor signify?

Tata Elxsi,

10 34555

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

GAIL, Essar, Vizag Steel,

19 15210

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

Jindal,

7 8798




What is the meaning of BUS?

KLG Systel, CII,

19 15049

What is the meaning of GRID?

21 26608

What about Reactive power.and role of that one?

7 5909

The importance of resonant filters in converters?

1 1627

How much Fault current can be contributed by a motor?

4 4716

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 6784

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

BARC,

5 4912


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Un-Answered Questions { Electrical Engineering }

How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

485


What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

784


What are the roles and responsibilities of electrical engineer in cement plant

578


Do u know any one? how to find out in motor rated amps? formula?

645


what is the question paper model for section engineer in RRB

774






how to design the heater in temperature control unit to heat 50KL of water?

649


Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

745


what is circuit recombiner and how it is different from circuit breaker

614


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

767


how does a submersible pump work..?

667


battery capacity use of made?

1217


what is the IPC ? & what the uses ?

171


If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

919


How to Calculate The sag of OPGW in Transmission Line???

1455


How can I calculate ISF of current transformer?

1644