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DGVCL Exam Paper (12-06-2016)

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
132 kV
66 kV

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DGVCL Exam Paper (12-06-2016)
The overall efficiency of Thermal Power Plant is equal to _____

Renkine Cycle Efficiency
Regenerative Cycle Efficiency
None of these
Carnot cycle efficiency

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Product of boiler efficiency, turbine efficiency and generator efficiency.

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

0.1 H
1 H
1 mH
0.1 mH

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DGVCL Exam Paper (12-06-2016)
Isolator in substation is open under _____ condition.

Full load
None of these
Short circuit
No load

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Isolators do not have capacity to make or breake circuit when current flowing in circuit

DGVCL Exam Paper (12-06-2016)
In case the height of transmission tower is increased, which of the following parameter is likely to change?

Resistance
Inductance
None of these
Capacitance

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DGVCL Exam Paper (12-06-2016)
The Minimum Oil Circuit Breaker (MOCB) is named because of :

None of these
All of these
Reduced requirement of air
Reduced requirement of oil

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