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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
Desk top
Menu bar

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DGVCL Exam Paper (12-06-2016)
For 11 kV line the capacitance per km per phase will be of the order of:

0.1 Farad
0.01 Farad
0.01 microF
1 Farad

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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.

Voltage
None of these
Energy
Current

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DGVCL Exam Paper (12-06-2016)
Cylindrical type transformer has:

Double magnetic circuit
All of these
Single magnetic circuit
None of these

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DGVCL Exam Paper (12-06-2016)
A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary?

30 Volts
120 Volts
480 Volts
60 Volts

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For transformer, V2/V1 = N2/N1
V2/120 = 50/200
V2 = 30 V

DGVCL Exam Paper (12-06-2016)
The voltage of transmission can be regulated by

Any of the above methods
Use of capacitors to neutralize the effect of series reactance
Use of tap changing transformers
Switching in shunt capacitors at the receiving end during heavy loads

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