Interview Questions Answers in Electrical Engineering, Puzzles

Questions / { sravanthi }

Questions Answers Category Views Company eMail

what is meant by crawling??

10 Electrical Engineering 16481

why the generator will take 8 to 12 hours to start after it got interrupted due to technical problems in case of power plants.

NTPC,

1 Electrical Engineering 4133

how we can differentiate a motor and a generator just by a glance?

5 Electrical Engineering 9631

Answers / { sravanthi }

Question { Cognizant, 39930 }

Vipul was studying for his examinations and the lights went
off. It was around 1:00 AM. He lighted two uniform candles
of equal length but one thicker than the other. The thick
candle is supposed to last six hours and the thin one two
hours less. When he finally went to sleep, the thick candle
was twice as long as the thin one.

For how long did Vipul study in candle light?

Answer

he studied for 3 hours means he studied upto 4A.M

Is This Answer Correct ?

9 Yes

3 No

Question { 6831 }

The rating of Transformer are 11KV, 22KV, 33KV instead of
10KV, 20KV & 30KV?

Answer

Transformer rating won't be in KV, it will be in KVA.

Line voltage will be in KV,it depends on form factor(1.1).

Is This Answer Correct ?

11 Yes

1 No

Question { 18557 }

define the power factor in one word

Answer

cos(phi)

Is This Answer Correct ?

8 Yes

0 No

Question { 7290 }

what happens when current(ac or dc)flowing through a
boucket of water?please describe it.

Answer

Please tell me the reason y is it so??

Is This Answer Correct ?

1 Yes

0 No

Question { Spanco, 5350 }

defined power system?

Answer

Power System=Generating station+Transmission+Distribution

Is This Answer Correct ?

5 Yes

0 No

Question { Hofincons, 7908 }

what is transformer

Answer

Transformer is a static device which will change the
voltage from one level to another level without changing
frequency.

Is This Answer Correct ?

5 Yes

0 No

Question { Torrent Pharma, 60815 }

What is the Full form of Rccb,MCCB,

Answer

RCCB-Residual Current Circuit Breaker
MCCB-Molded Case Circuit Breaker

Is This Answer Correct ?

288 Yes

23 No