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 function of Moulded case circuit breaker, why it is called Moulded?

1552

Why soda is added with water in Lrs of Sliipring motor…to Increase or decrease resistance of water?

1 4608

What's the difference between non break power supply and non break non short break power supply

1445

What is the lockout relay

1534

What is the test block protection relay if any body know plz explained

1474

Can a generator runs after getting 1st stator earth fault.

1409

how to difference between the HT< cables

L&T,

1 2863

How work of capacitor in dc supply...???

1604

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1448

what will happen when the dc supply is given to the capacitor?

1532

how to calculate the current carring capacity of the conductor

1 2674

What is the function of retrip in busbar?

Getco,

1504

what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

TATA,

1674

what are the tests comes under the type test, what tests comes under routine tests.

1465

what is the calculation formula for motor starting torque,running torque, running torque.

1693

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Un-Answered Questions { Electrical Engineering }

The power supplied to a 50mH inductor from a 120V, 60Hz source will be

4792

how to calculate cable size in diffrent loads?

2083

How to Calculate the Fault Level of Electrical Installation

2264

How to convert a two phase power into a three phase power in induction machine?

1813

how to check three phase motor torque value?

2371

how we calculate torque ? how we improve it ?where torque will either motor or generator ?

2066

. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

2156

What is cathode ray oscilloscope (cro)?

1122

Why the power factor improvement is so important in industrial loads

2037

What are locations arc protection relay is fixed.

1881

HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

2499

Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

2031

in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4

2068

What is a dominant pole?

1165

we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1918

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