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DGVCL Exam Paper (12-06-2016)

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)
A 17 inch personal computer uses approximately 150 watts in an hour. If you have same computer on for only 4 minutes (for checking e-mail) what would be the power consumption?

0.1 kW
None of these
0.01 kW
0.04 kW

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DGVCL Exam Paper (12-06-2016)
The registered office of MGVCL is in _____

Godhra
Ahmedabad
Vadodara
Valsad

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Company : Registered Offfice
PGVCL : Rajkot
MGVCL : Vadodara
DGVCL : Surat
UGVCL : Mehsana
GETCO : Vadodara
GUVNL : Vadodara

DGVCL Exam Paper (12-06-2016)
The relay operating speed depends upon

The rate of flux built up
All of these
Armature core air gap
The spring tension

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

Ampere hour
Volts
kW
Amperes

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DGVCL Exam Paper (12-06-2016)
The SI unit of energy is :

Coulomb
Henry
Newton
Joule

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