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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

2159

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

2097

What is size 00, 01, 1 etc., in HRC fuse types?

Jaypee,

2383

What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

1999

What is the purpose of shunt trip in ACB function?

1 6491

What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

Remi,

3955

Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?

1 3594

What is working principle of washing machine?

IBPA, Samsung,

9 91661

Can we use 3 phase energy meter for measureing power in 2 phase 440 V phase circuit?

2 5796

1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 3792

what is ignition?

1 3916

sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com

1 3767

why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.

4 14352

what condition there autotransformer will fail?

2 4717

Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

2145

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Un-Answered Questions { Electrical Engineering }

If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

2070

what is the function of impulse relay

2528

Why armature rheostat is kept in maximum position?

1109

What are your future plans for the company if permanently employed?

2176

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

2166

What is CCT (Correlated Color Temperature) ?

1957

What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

2285

How to calculate capacitor bank size at a load 800kVA.

1716

What are the factor to be consider for CT selection in 132kV substation?

2076

diff b/w elcb and rccb

2305

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

2872

what is Fan Control Cubicle

2489

WHat is the general checks required for Dry type transformers

2085

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

1144

please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

1978

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