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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
In a power plant, a reserve generating capacity which is not in service but is in operation is known as

Cold reserve
Firm power
Hot reserve
Spinning reserve

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DGVCL Exam Paper (11-12-2011)
If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is

20 MVA
60 MVA
10 MVA
50 MVA

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Short circuit kVA = Base kVA/%X

DGVCL Exam Paper (11-12-2011)
If the voltage at the two ends of a line are 132 kV, and its reactance is 40 Ω, the stability limit of the line is

500 MW
217.8 MW
435.6 MW
251.5 MW

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DGVCL Exam Paper (11-12-2011)
The positive and negative sequence impedance of a transmission line are

Infinite
Equal
Different
Zero

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DGVCL Exam Paper (11-12-2011)
The insulation coordination for UHV lines (above 500 kV) is done based on

Switching surges
Lightning and switching surges
Lightning surges
Voltage level of the line

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DGVCL Exam Paper (11-12-2011)
A fuse is inserted in

Phase wire
Neutral wire
Earth continuity conductor
Both phased and neutral wire

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MORE MCQ ON DGVCL Exam Paper (11-12-2011)

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