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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the avergae difference between OTI and WTI for EHV Power transformer?

7 25163

what is the natural resistance of the earth? and how it effected by rain r snow? wat is the natural resistance of wet soil? define natural resistance?

ECL, ISRO,

1 6002

is high voltage or high current is danger

L&T,

16 14832

we all know that both the generator and motor are electromechanical conversion devices.....then why we rate motor in kw and generator in kva????

KSEB,

4 5130

where would be tap changer in transformer & why?

Kentz,

2 2836

What is the diff. between single compression and double compression gland

ASL,

1004

what is the importance of fault level in power system and how is it decided

2 8398

What is annunciator ?

1 2498

why are you use the crgo core lamination in transformer

6 6321

IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase only to earth in during H.v testing (through H.v KIT).what happen remaining phases.how much voltage get remaining phases.why? explain.

1 3837

sir i am pradeep singh from electrical branch and i want to place in software industry(tcs)but i dont know much about programmig languages like c c++.so how can i get a placement in software industry?

TCS,

1 2753

Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

992

How can we calculate single phase load into three phase load

Jindal, Tanfac,

2 3346

how the fan is switched off immediately switching off the switch?

2 2458

friends., why celling fan rotate cockwise direction and wall fan anticickwise direction ?

3 4462


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Un-Answered Questions { Electrical Engineering }

What is the unit of charge and current?

206


What is servo motor? what is its purpose?

1147


What is the need of generator relay panel

1050


how pt is using

1024


what is the internal working of star delta starter

1210






why do we use 25kv supply for traction purpose?

1062


HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

1208


What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

2370


how we calculate the short circuit capacity of the busbar in LV & HT?

208


what is submersible pump?what is different between motor and sub motor?

1123


what is the significance of cabability curve of alternator

1371


what purpose to use excaiter in DG.?

1699


Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

1003


hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

906


what is allowable ac mixing in dc

1114