Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Expand sqcm?

UltraTech,

2 4217

why motor rating in KW?

2 5068

why is power supplied in 3 phase only? why not in 2 or 4 phases?

11 30160

Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1366

Why AC & DC capacitor are use in UPS ??????????????????

Sanghi,

1583

How ElCB tripping if Neutral touch with ground

Sanmar,

4 13448

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test.

CPCL,

1 10862

What is the acceptance value of leakage current in HI POT test

CPCL,

2 8536

why transformer rating in always in KVA ?

Horizon Computers,

4 6386

what ispositive, negative, zero sequence impedence?

1573

how to syncronize two dg sets

3 4740

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

1707

why in large rating C.T.s equipotential wires are used?

Essar,

2 16323

why battery room in substation is black coloured?

4 16968

why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other

HCL,

2 4975


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

1553


Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

1393


How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

1977


What is miller crystal oscillator? Explain its operation?

661


What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

1689






upto how many load can v connect to stabilizer which is used for tv

1716


size of condotory fron voltage level

1716


If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1145


give single line diagram of D.G distribution form alternator to main L.T panel?

7027


difference between power surge and switching transient

1517


Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

1598


what kvrah y we need to take the readind of that

1556


hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1483


how the speed of the gets motor regulated. does it draw the same current on the all speed level.

1448


What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

1699