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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the minimum winding resistance of 30hp compressor, to run or to switch on

1182

What is different between MCB & MCC & isolator switch

Standard Chartered,

1 3983

What is evaporator & condencer & compressor

Standard Chartered,

1497

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

CCP,

1740

Which motor has high Staring current A. Series DC motor, B.Induction motor c.Synchronous motor D.DC Shunt Motor

CCP,

4 2800

Megar test tell sufficient resistant

1 2112

Why r u using pf panel. what the uses

Standard Chartered,

1286

What is a difference between indoor transformer and outdoor transformer of same rating

Suzlon,

4829

my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

1 1238

Usage of flywheel diode in relays

Jindal, Voith,

1205

I have 320 Kva DG Set his KWh running is 77 , how i can calculate into electrical unit .

Anuj Enterprises, Schneider,

2 2323

What is the meaning, function and application of OLTC?

Home,

3 3974

What is the meaning of CT 400-200/1-1 A ?

Home,

2 9733

What is the meaning of burden and class of accuracy of CT?

Home,

1 2469

if z transform lies in ROC then. a)system is stable b)inverse of system is stable c)both system and its inverse are stable.

CCP,

1 3683


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Un-Answered Questions { Electrical Engineering }

What is the fault or needs to be done when frequency in ac drives is not changing?

1044


in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1304


we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

1054


my bachelors was done with EEE now i got admit in NU with CS as course. how to answer this qns 1) why u choose cs? 2) why u changed from eee to cs

1040


Mention what are the different colors on wires indicates?

541






What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

709


What is Auto Mains Failure Panel & Auto Synchronizing Panel

1263


What is the function of a neutral reactor.

1101


IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

1443


How to calculate the sag of OPGW during stringing???

1932


why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

1582


Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18

1487


What happens to voltage when current is zero?

501


tell me about roaster switch .& what is the function in transmission & distribution?

1989


how you will decide the distance between the power transformer and its fencing

1264