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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 4664

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

1032

Can we connect CBCT in the Busduct

1 2986

why motors are rated in HP?

HCL, ncpl,

3 4569

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

3 6258

what is 33 /11kv transformer bdv

NMDC, TPPL,

8 20510

what is a 3 phase power formula ?

5 4457

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 6435

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

4 4023

Is neutral transformer can be called as control transformer?

1110

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

907

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

1025

what is the difference b/w conductor and semicoductor

1 2169

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

3 4362

What is transient Phenomenon?

1285


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Un-Answered Questions { Electrical Engineering }

where is core-type and shell-type construction suitable for transformers ?

1190


what is ground fault in ACB?

1193


what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

1032


Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

1252


There are a trformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

197






1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

1176


what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com

1001


What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

1300


what are the problems that generally occur in power flows??

1937


what is the standard duration after failure EB power

903


Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

2478


how to erect roof control panel?

1088


Why the symbol of register is "zig zag"

590


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

624


What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

1304