Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?

1 4937

in a induction motor if we put capacitor across it will the power factor of the motor will improve? if yes how

Reliance,

6 10195

What are the saftey parameters in transformers?

2 6627

Can without battery on line UPS,off line UPS or Invertor works please brief.

5 10605

what is the differebt between ac and dc fuse?

IBM,

2338

wat is d first thing to be seen 2 lay a cable in a particular area??

1 3500

what is mean by current? and voltage?

4 7587

in transmission line 11kv is step up or step down? why?

5 14176

why tan delta test conducted in electrical equipmenr

4 13044

is there or does RCCB work for single phase connection?

2 6410

whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 3177

why we are using star connection and delta connection? difference?

5 18557

In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?

2 20581

how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

Birla,

2280

What is the difference between rulling span and wind span of of an Over Head Transmission Line?

2325

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Un-Answered Questions { Electrical Engineering }

What are the special cables required for explosion proof wiring?

3576

we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1917

various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

3299

how to set relay setting? and example calculation...

2043

DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1901

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2304

The power supplied to a 50mH inductor from a 120V, 60Hz source will be

4792

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2097

What is tan delta & PPM in transformer? and whats its IS value?

2155

In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

1223

1.how many types of relays? 2.difference between ATS& STS?

2157

How many types of instrument cables are there?

1098

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

1068

How can maintain our H.T. motors used in cement plant. please send me procedure.

5147

How much minimum insulation required between 11kv/3.3kv transformer windings?

2430

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