Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is form factor.and rms value..

IIM, Torrent Power,

1 3898

WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

3 6749

what is the maintaining Cf in UPS.

Enercon,

1659

how to design domestic earthing pit and earthing wiring?

1 5944

placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

1586

why induction motor always operate at lagging p.f.?

4 9430

if we give DC suply to the AC motor what hapen

TATA,

5 6528

Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 3984

what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 3564

what is the function of an auto reclosure relay in OHL?

1 3937

why transformer capacity is called KVA and motor capacity is called HP/KW? Why transformer capacity cant call HP/KVA?

5 10431

what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

KSEB,

1 3572

Difference between low impedance and high impedance Restricted Earth Fault

2518

Differentiate between Low and High impedance Protection

1 3036

Differentiate between Zero and Negative sequence current

1377


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Un-Answered Questions { Electrical Engineering }

Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1162


what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

1754


boiler is running in rankine cycle and deisel generator is....?

1494


What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?

1355


how to calculate short circuit current for the busbar

872






How may I enrol or get admission to your program?

1404


what is the circutor?why we use it ?

1767


what is the star delta connetion and how can do it a three phase motor with control witing with picture

1726


What is class ab operation?

556


in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

1776


why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

1305


Electrical Engineering

1424


what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

4902


Please give me a erda placement paper

1228


What is meant by rotor?

710