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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

GE,

1 5172

in which direction real power and reactive power flow and why???????

3 10349

WHAT IS MEANING OF VECTOR GROUP FOR TRANSFORMER

2 13702

Explain the operation of damper winding

2 5499

can we use ELCB and RCBO in one db

6 9619

what is vtg limit of earth and neutral at transformer side?

IOCL,

2037

Which element has power dissipated in it when the source is removed ?

SSC,

2 5383

Transmission through a short line depends on

2262

Negative feedback circuit is an implication of ? -Shunt shunt -Shunt series -series series

1 3505

Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 6545

Latching current is slightly less than ?

2 4483

Which of the following plant has less plant factor ? -Nuclear -Hydro -Diesel -Pumped storage

1 3495

Capacitors are used to ... -Reduce the bill of the farmer -Improve the PF

1 3711

At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

2 5354

Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1928

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Un-Answered Questions { Electrical Engineering }

WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

1978

What is DTR erection?

4066

What is reactive power and where it is used.

1695

what is the Pickup/drop off ratio in BCPU relays

4647

At full load wat is the motor p.f And at no load will is the motor p.f?

2124

How will you utilise electrical power? You can start from the generating station.

1913

How LT megger works ?

2132

why are distributed windings generally used in alternators?

2726

Define the overload capacity of the motor?

2049

how many joint can done in HT line and what is life of the joint

2228

how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

2225

what is difference between 5A and 100A CT constructional wise and operation?

3570

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

2348

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

2130

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

3287

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