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Electrical Engineering Interview Questions

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

3737

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

6654

What are the saftey parameters in transformers?

4988

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

7458

what is the differebt between ac and dc fuse?

IBM,

1393

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

2221

what is mean by current? and voltage?

4997

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

10305

why tan delta test conducted in electrical equipmenr

10104

is there or does RCCB work for single phase connection?

4675

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

1726

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

14863

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

17252

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

1356

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

1404

Un-Answered Questions { Electrical Engineering }

WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

939

what is cathodic protection and why it use in industries?

1329

If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????

1070

how to find impedance , mutual indatnce in transmission lines

1221

12.5 tons a/c is their how much kva generator can recommend to the customer.

1044

How to maintain ac plant?

1117

why u r living from presentaly working.

1465

Pls mail me utility & Dg related question with answer

1038

How many kinds of E.L.C.B and how to work E.L.C.B

1225

what is basic difference betmeen normal & flame proof motor??

1066

What are the different losses In a de mac1une'! t.xplam

1810

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

1260

i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

879

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

1315

What is the previous name of Cox's Bazar

1060