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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is dielectric heating

 1 3436

what is relay

 8 8114

what is balanced beam relay

 1 13716

what is induction relay

 1 5629

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

 2348

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 4116

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

 8 9560

in 132kv substation CRT means

 2198

What the purpose of transient fault recoredr in substation

NCC,

2 4967

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 ?

1800

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 2752

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

 4 5155

what is first pole to clear factor

 1 8102

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

Havells,

3 22607

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

HAL, TATA,

13 33858

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Un-Answered Questions { Electrical Engineering }

Differentiate between kirchhoff’s first law and kirchhoff’s second law?

604

Give two basic speed control scheme of dc shunt motor?

615

What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

1632

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

2141

Explain mechanical rotational system?

625




Why efficiency in thermal power plant is low?

643

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1523

What are the special cables required for explosion proof wiring?

2966

how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2063

Define maximum demand?

641

Define transfer function?

736

Why 3 phase induction motor getting supply in body if one of it's phase is cut

1262

what is meant by LCR meter? where its useful ?

1567

what is deffrence between squirral cage and wound rotor in IM?

1525

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1167

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