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 4283

what is relay

8 11140

what is balanced beam relay

1 14805

what is induction relay

1 7046

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

2913

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 4928

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

8 12098

in 132kv substation CRT means

2670

What the purpose of transient fault recoredr in substation

NCC,

2 6262

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 ?

2391

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 3524

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

4 6927

what is first pole to clear factor

1 9518

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

Havells,

3 24276

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

HAL, TATA,

13 39128

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Un-Answered Questions { Electrical Engineering }

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1986

-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

1848

what will happen if frequency is below 50 hz?

2086

Why human body feel electric shock?

1140

What do you mean by turns ratio of instrument transformer?

1139

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

2912

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

3328

can some one clearly explain why -48 volt DC use in telecom site????

1744

1hp= how much rpm

2123

hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?

2283

How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

1660

What is meant by stator? What is meant by rotor?

1171

oil cooled transformer

2278

What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

1425

Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

2141

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