Interview Questions Answers in Electrical Engineering

aman mahajan

{ City } jammu
< Country > india
* Profession * electrical engineer
User No # 108827

Total Questions Posted # 1
Total Answers Posted # 2

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Questions / { aman mahajan }

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Why current transformer is earthed??

2 Electrical Engineering 4821

Answers / { aman mahajan }

Question { Torrent Power, 8496 }

(1) From the following option, which option is correct for largest size transformer.?
a)1KVA,25Hz , b)1KVA,50HZ , c)1KVA,60Hz , d)1KVA,100Hz

Answer

A) 1kVA , 25 Hz as size is inversely propotional to frequency because we have to increase turns to produce same impedance for low frequency

Is This Answer Correct ?

8 Yes

0 No

Question { Torrent Power, 8496 }

(1) From the following option, which option is correct for largest size transformer.?
a)1KVA,25Hz , b)1KVA,50HZ , c)1KVA,60Hz , d)1KVA,100Hz

Answer

A)1kVA,25Hz
Transformer size is inversely propotional to frequency as we have to increase no of turns for low frequency to produce same impedance

Is This Answer Correct ?

16 Yes

1 No