Electrical Engineering Interview Questions

What is the value of 3 phase voltage?

8405

why do we need a 4th wire in 3phase 3wire transmission line

7774

What are the limiting factor for controlling maximum hot point temperature within a hydrogen and water cooled generator?

3126

resistance of transformer oil=?

HCL,

3720

What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

18620

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

2760

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

6513

what is the internal working of star delta starter

1697

in a plug point why the hole size at the top is large?

Bhel, TCS,

11146

what is 'A' Check & 'B' Check ?

3522

What is single break or Double break related to MCB?

4665

How to convert KW to KVA or KVAR OR kvar/kva to kw?

78120

open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?

2224

what is an S.C.R. and how do they work?

GE,

5959

How line capacitance & line inductance varies with increase in height tower.

1911

Un-Answered Questions { Electrical Engineering }

How much no load current of synchronous motor

1638

what is difference between 2 pole structure and 4 pole structure in transformer yard

5367

Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

1702

what is the transiant condition in alternator? and how it can be prevanted?

1553

how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

1666

What is meant by time harmonics and space harmonics?

2408

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2186

how to calculate the size of the HT cable

1469

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

716

What do you understand by avr?

669



1941

mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1527

Q: How to calculate Transformer losses , tell us by Formula.

1566

Where burned of electricity,when,who, & why.

1546

What are the reasons for the parallel operation of transformers?

666