Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?

2 3765

what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

1522

HOW TO CALCULATE THE APFC Panel Design

1 3911

what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1551

1.What is captive power plant? 2.What is national grid?Give brief idea.

1749

does buccholz in a transformer use batteries

2 4055

difference between circuit breaker and switchgear?

L&T,

6 11078

Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv

KPIT,

2 8806

Any Electrical Engineering jobs?Please refer for interviews. Thank you

1468

what is meant by directional earth fault and non directional earth fault? describe both.

1502

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2219

what is the difference between an alternator and a synchronous motor

1610

a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 3496

what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 2326

what is servo motor & how does it work.

1539


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Un-Answered Questions { Electrical Engineering }

Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

748


I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

1904


what is the best method of grounding in 30 MW generator?

1544


What is servo motor and what are different types of servo motor

1921


Where can I get CPWD electrical specifications & Shedule of rates? Please help me

1849






How to decide DO set rating of Transformer?

1191


please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

1391


are there rmu for 3 transformer?

1464


In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

1527


Usage of flywheel diode in relays

1514


What are the special cables required for explosion proof wiring?

3015


How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

1945


If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)

1572


how i can calculate the size for fire cable

1529


what is the major difference between LIBBP & HIBBP.. which one is most preferable..

2089