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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How will you calaculate the Ct ratio based on connected load 500KVA,and 11KV supply ?

3 12897

what is the diff. b/w balanced and unbalanced load..?

12 52853

what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 7551

why power is generatd at 50 hz only..? can we do this on another freq...?

7 9626

What will happen if we give DC supply to AC motor?

9 37771

What will happen if we give AC supply to DC motor?

4 14197

What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

2009

In case of power/distribution transformer what is percent impedence?

1 3830

If we increase frequency in transmission line in lieu of voltage what will happen?

1 5050

How can be decreased the size of transformer?

6 8264

which type of material is used to transformer laminated core?

6 13683

What is fault level?How it is calculated and how it is Expressed?

2 5062

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

ABB,

2373

What are the special protection given for high capacity Motor, more then 10mw

2 4323

What happens if a +vely charged particle is placed in the centre of a room and assume that the north side wall is having magnetised with north polarity and south side wall is magnetised with south polarity. In which direction the particle will move

BSNL,

5 7991

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Un-Answered Questions { Electrical Engineering }

what is meant by carrier aided trip protection in transmission line

3926

what is subtransient , transient and steady stateac components

2169

A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

2973

What are the types of the glands and difference between single and double compression type of cable Glands.

2084

hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

1727

What is lighting kitts.

2110

what is p.s impedance measurement test in earthing transformer?

2415

Why the symbol of register is "zig zag"

1586

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1951

How Self works in DG set

2022

A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

2326

What is difference between Over Current & Earth Fault protection?

2446

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

2004

If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

1436

how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design

5319

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