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 4208

what is relay

8 10836

what is balanced beam relay

1 14719

what is induction relay

1 6964

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

2852

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 4850

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

8 11886

in 132kv substation CRT means

2622

What the purpose of transient fault recoredr in substation

NCC,

2 6152

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 3439

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

4 6769

what is first pole to clear factor

1 9405

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

Havells,

3 24139

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

HAL, TATA,

13 38691

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Un-Answered Questions { Electrical Engineering }

In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

2243

Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??

2192

what is the difference between linear choke and suction choke?

2734

why sometime we get electrical shock while touching the ballon of dish tv connection ? which we should not get.

1986

what is the difference between oil surge relay and buchholz relay.

7038

what is the voltage regulation for unity and zero power factor?

2316

What is the feedback in the control system?

1090

Parts of machine and their discription in details with suitable photo

2061

why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??

2187

what is the carona effects meaning in HT line transmmission system

2014

What are the advantages of speed control using thyristor?

1123

how to calculate single phase motor efficiency ?

2209

difference between servo motor and synchronous motor

2330

What is the use of Surge Capacitor in LAVT?

13711

Please brief working principle & construction of permanent magnet AC Servo motor

2236

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