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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is dielectric heating

1 4217

what is relay

8 10851

what is balanced beam relay

1 14728

what is induction relay

1 6969

in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

2872

can I connect step down transformer(25KvA,240V Phase to phase)to output of online UPS(15KvA,440V PHASE TO PHASE) Load connect to TRANSFORMER is 13KvA,240V PHASE TO PHASE. please brief if it is wrong

DRJ ARDE,

1 4854

What will the effect on a motor designed at 60 HZ, and operated on 50 HZ ??

8 11901

in 132kv substation CRT means

2626

What the purpose of transient fault recoredr in substation

NCC,

2 6159

There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

2321

how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 3446

How will you explain transformer action in case of 3-phase induction motor?

4 6786

what is first pole to clear factor

1 9411

Brief working principle of fluorcent tubelight,function of starter & choke.

Havells,

3 24155

why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

HAL, TATA,

13 38744

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Un-Answered Questions { Electrical Engineering }

How vfd saving power.

2035

Explain The Application Of Storage Batteries?

1154

Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

1789

Please send 110 kv sb station full single line drawing(sld)

2474

I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

2206

i want to put single phase load on scott connected transformer,eventhough how to balance the transformer.

1858

Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

1722

What is an iron loss or core loss pi?

1114

10 Mtr Hight of Lighting Arrestar how much area coverd??

2505

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

1949

A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

2641

what is meant by impedance & transient protection?

2111

what is earthing transformer? draw the winding dia.of earthing transformer.

1731

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

2305

can i connect wavetrap in 2 different phase in EHV line?

1859

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