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 5746

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

1543

Can we connect CBCT in the Busduct

1 4159

why motors are rated in HP?

HCL, ncpl,

3 6076

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

3 9109

what is 33 /11kv transformer bdv

NMDC, TPPL,

8 28698

what is a 3 phase power formula ?

5 6611

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 8448

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

4 5592

Is neutral transformer can be called as control transformer?

1623

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

1564

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

1544

what is the difference b/w conductor and semicoductor

1 3013

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

3 5945

What is transient Phenomenon?

1879


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Un-Answered Questions { Electrical Engineering }

what happen if the parallel generator phase angle shift by 1 degree in manual mode

1677


What are stable systems?

736


Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1837


what is the necessity of under ground cables ??

1726


what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2584






define reflection method?

1596


Explain marx circuit.

996


What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

3707


How to test IR testing & magnetic balance test

1585


why and how current drawn by battery charger depends upon the altitude where it is located?

1676


why we have and use 3 phase not 2 or 4 or other in power system?

1786


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

2247


why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

1778


What is relation between transmission lines & Communication lines ?

1801


what is the electrical?

1749