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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Expand sqcm?

UltraTech,

2 5605

why motor rating in KW?

2 5954

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

11 33724

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

1776

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

Sanghi,

2120

How ElCB tripping if Neutral touch with ground

Sanmar,

4 15292

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

CPCL,

1 11604

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

CPCL,

2 9665

why transformer rating in always in KVA ?

Horizon Computers,

4 7861

what ispositive, negative, zero sequence impedence?

2030

how to syncronize two dg sets

3 5894

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

2187

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

Essar,

2 17989

why battery room in substation is black coloured?

4 19123

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

HCL,

2 6051


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are the main advantages of generalized error co-efficients?

1170


What are the internal and external faults?

1109


what is the role of transistor in Circuit?

1189


HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?

2612


draw the block diagram of fire alarm?

5422


what is the IPC ? & what the uses ?

1498


Difference between Earthing Truck & Earthing trolly for HT panel

4399


Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

2096


Safety of on line ups

1950


Differentiate between low pass, high pass and band pass filter?

1070


1.what is mean by 8/20 micro sec waveshape

2231


May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

1497


transformer phasor diagram under load explain it?

2190


List the power rating of any 5 important electrical appliances used in houses.

2053


how the works electronic energy meter?

2166