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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
The permissible voltage variation in transmission and distribution system is:

± 25%
±10%
± 1%
± 0.1%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This answer is as per official key of respective exam.

DGVCL Exam Paper (12-06-2016)
kWh meter is the electric meter that measures the amount of electrical _____ in kWh that was consumed in the house.

Current
Voltage
Energy
None of these

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DGVCL Exam Paper (12-06-2016)
Which of the following does not change in a transformer?

All of these
Frequency
Voltage
Current

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In transformer voltage and current can be raised or lowered.
Frequency remains same
Power and Flux remains almost constant.

DGVCL Exam Paper (12-06-2016)
The problematic pollutants in emission of coal based generating plants _____

All of these
SO₂
CO
NOx

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DGVCL Exam Paper (12-06-2016)
The following is not a Regulatory Commission:

DGVCL
GERC
BERC
CSERC

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL is distribution company.

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

0.25
0.05
0
0.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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