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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
The friction losses in Real Transformers are :

0.25
0.5
0.05
0

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

As there is no rotating part in transformer, there is no friction and windage loss

DGVCL Exam Paper (12-06-2016)
If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be

11 kV
33 kV
66 kV
132 kV

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (12-06-2016)
The following formula is correct:

Diversity factor = 1 - Coincidence Factor
Diversity factor = 1 x Coincidence Factor
Diversity factor = 1/Coincidence Factor
All of these

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (12-06-2016)
The load of a consumer is generally measured in terms of :

Volts
Amperes
Ampere hour
kW

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (12-06-2016)
The main advantage of AC over DC is:

All of these
AC is easy to maintain & can be easily distributed at long distances
AC can be easily converted into DC by using a rectifier
Conversion flexibility from one voltage level to other

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (12-06-2016)
The time of closing the cycle, in modern circuit breakers is

0.003 sec.
0.001 sec.
0.01 sec.
0.1 sec.

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