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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is max. continous current of LT side of distribtion transformers? ie for25kVA, 63kVA, 100kVA, 200kVA etc

2 5200

What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1283

Can we connect CBCT in the Busduct

1 3348

why motors are rated in HP?

HCL, ncpl,

3 5305

25 kvar capacitor , how much current ? For 25 KVAR--Capacitor I = ?

3 7276

what is 33 /11kv transformer bdv

NMDC, TPPL,

8 24993

what is a 3 phase power formula ?

5 5413

An engineer measures the direct current resistance of a transformer using ohm meter. When he/she takes out one of the leads of the meter, spark comes.. Why ?? This effect is known as...

Saint Gobain,

1 7278

What is Neutral Transformer? what is the use of this?

4 4747

Is neutral transformer can be called as control transformer?

1351

Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?

1206

can any tell me why slope 40% and 80% is calculated in differential protection?

1283

what is the difference b/w conductor and semicoductor

1 2527

What is the Powar consumption of fan low speed to full speed? is it same ?

3 5043

What is transient Phenomenon?

1587


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Un-Answered Questions { Electrical Engineering }

how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

1470


During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

1371


2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

1689


How you give clearance to a spare feeder.

1047


Any one can explaination about calibration with rotating sub standards?

1345






Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

2329


what is the difference between fault current ant short circuit current?

2058


What is corkscrew rule?

507


ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

2725


define as synchronous generator

1535


A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?

1441


What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2248


what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1302


State and define ohm’s law?

498


What is superposition theorem?

489