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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
If the displayed system time and date is wrong, you can reset it using :

Control panel
Task bar
Menu bar
Desk top

ANSWER DOWNLOAD EXAMIANS APP

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

Voltage
All of these
Current
Frequency

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)
kWh meter is the electric meter that measures the amount of electrical _____ in kWh that was consumed in the house.

None of these
Current
Voltage
Energy

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DGVCL Exam Paper (12-06-2016)
The following is/are the characteristics of SF₆ circuit breakers:

None of these
Short break time of 2 to 2.5 cycles
All of these
It does not need an auxiliary breaking chamber

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

± 25%
±10%
± 0.1%
± 1%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This answer is as per official key of respective exam.

DGVCL Exam Paper (12-06-2016)
Reactance relay is used for protection against:

Phase fault
None of these
Earth fault
Over voltage fault

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