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DGVCL Exam Paper (11-12-2011)

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
251.5 MW
435.6 MW

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

Zero
Different
Equal
Infinite

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DGVCL Exam Paper (11-12-2011)
The form factor in AC means the ration of

R.M.S. value to peak value
R.M.S. value to average value
Peak value to average value
Peak value to r.m.s value

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DGVCL Exam Paper (11-12-2011)
In carrier current protection, the purpose of the wave trap is for

All of these
Trapping high frequency waves entering into generator/transformer unit.
Trapping power frequency waves
Tripping fault current

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DGVCL Exam Paper (11-12-2011)
At time t= 0+ , with zero initial condition, which of the following acts as a short circuit?

Resistor
Conductor
Voltage source
Capacitor

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DGVCL Exam Paper (11-12-2011)
Transposition of transmission line is done to

Reduce corona
Balance line voltage drop
Reduce line loss
Reduce skin effect

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

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