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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

We are using 3core 11KV HT cable for same phase for generator outgoing, the cable leakage current is high and cable heated overly what is the remidy, if we use the 3core cable for 3phases the problem is solved are not?

1 4276

why the star delta motors burn out frequently

1 3946

In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

1974

why the generating / transmitting voltage is in the order of multiples of 11(ie 11kv,22kv,33kv......)

1 4711

How does a system control centre in a utility plant gets the grid frequency of the electrical network (50 Hz or 60 Hz)by the SCADA system?

1 2604

What is the difference between an ELCB and a RCD?

Schneider,

2 7162

What are the advantages and disadvantes of delta and star connections in transformers and alternators?

3 17490

why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 6138

1 ton AC takes how much current( starting & stable)

15 102004

what is power frequency withstand and impulse withstand of a circuit breaker?

Power Grid,

2 23176

why low pressure side of the turbine is connected to the alternator and not the high pressure side??

1 4477

what will happen if delta - star , 400V to 6.6KV step up transformer neutral is not grounded, Neutral is not used but transformer is provided with neutral.

2 6442

why rating of alternator in kva & induction motor in kw

Siemens,

9 19643

What is VVVF Drive ?

3 25124

What is the typical power circuit configuration of a VVVF Drive ?

1 4781

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Un-Answered Questions { Electrical Engineering }

can anyone send me some sample question regarding power grid corp

2206

how we find transformer capacity by ohm

2216

how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

2177

What is the resonant peak?

1183

What is a signal flow graph?

1078

what is the acceptable limit value for Desolve Gas Analysis/

1986

plz send me the procedure and syllabus for mseb exam

3859

what is W.T?specify the acceptable range?

1963

How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

1825

What is the Minimum winding resistance of motors ( small & big)? referance range

2308

how do you test tachos and servos

2119

bsec exam syllabus (mis)

1280

what is frequency response?

1146

How colour picturetube works & how many year it will works.

2034

what is the constructional difference between a power transformer and potentian transformer?

1760

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