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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What do you mean by isolators and circuit breakers?

Bhushan Power Steel,

6 15835

explain all the classes with example


how to calculate micom relay earth falt time and current sertting


why DOL starter is use in induction motor as it is not reduce the starting torque

Maruti Suzuki,

2 4756

Dsitrubution transformer minimum IR value

1 2472

advantage of using 110v than 230v


1 4581

3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

Bajaj Hindusthan,

3 7830

In 63kva LT Distribution Box Why the outgoing of 63A kit kat is connected to 200 A link disconnector? as the output of kit kat is only 63 A?

Godrej, Patel,

1 2856

the fuse is use for protection against overcurrent but at normal condition it carry the rated current then how single thin wire carry this current without melting

1 2739

why rating of transformer is in kva instead of kw?

3 3673

what is inverter


12 8963

Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

1 4824

We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?


2 3229

Why transformer ratings in KVA not in KW?


6 6955

We store the d.c supply...then why can't we store A.c supply???

4 6404

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Un-Answered Questions { Electrical Engineering }

Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?


What type of a DC motor would you use for a lift?


Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.


what is circuit recombiner and how it is different from circuit breaker


please describe the Transformer setting, Motor setting, I/C setting, Tie setting


How to set the relay,,??


What is difference between insulating medium and fault current interruption medium in a switching device.


Type of motor stater detail and working detail


What is nichols chart?


ROC converges if poles and zeros lie inside a. Origion b. Z=1


how can get electrical c i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?


Define thermal resistance in the context of power amplifier.


what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.


Earth has zero potential then what would be the neutral potential ?