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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

2157

Why, the starting current of 3 phase Induction Motor is 7 to 8 times its rated current?

L&T,

9 36936

what is smartµ grid technology?under coal gassification?

1965

what is under coal gassification?

2091

How 48-relay (incomplete sequence) functions?

4100

To attain a powerfactor more than .95, how much kvr should we use for 100 HP of current

Bhel, Scooters India,

4 10075

Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

2077

1.protection used in transformer ? 2.Why breather called breather ? 3.Working of conservator tank.? 4.Speaker of parliament ?

Power Grid,

4 11202

How to choose size of the cable w.r.to current carrying capacity ...

L&T, Saams,

2207

what is the meaning of cable Glanding can you explain brifly?

2 16760

Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?

2 5591

why servomotor motor? where i apply for best output?

2037

what is mutual induction principle?

2 5127

what is softstarter? explain briefly where it is used?

Essar,

2 7263

how to calculate cable size, olr rating, contactor rating and mccb rating,to below given details three phase motor 75 kw,415 v,.85 pf,50 hz?

Cabin Crew, Essar,

5 73966

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Un-Answered Questions { Electrical Engineering }

How to perform a DC resistance test In Alternator and their proceduces?

1758

hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

2132

What is the working principle of MIG welding? and its out put Voltage?

3315

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2080

how to determine motor size for a fan application?

2293

Difference between HRG and NGR. Are they both the same thing

4291

Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

1974

What are the essential characteristics of signal flow graphs?

1101

What is miller crystal oscillator? Explain its operation?

1109

Define peak time.

1144

Use of switch mode power converter in real-time basis?

1173

what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1930

what is the meaning of osr in transformer.

2145

What is safety of Ht panel

1659

how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?

1762

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