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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
What type of insulator is used if the direction of the transmission line is to be changed?

Strain type
Suspebsion type
Pin type
Shakle type

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DGVCL Exam Paper (11-12-2011)
Bulk power transmission over long HVDC lines are preferred on account of

Low cost of HVDC terminals
Minimum line power losses
Simple protection
No harmonic problems

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

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

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DGVCL Exam Paper (11-12-2011)
In which of the following motors, the stator and rotor magnetic fields rotate at the same speed?

Universal motor
Synchronous motor
Induction motor
Reluctance motor

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In all machine stator and rotor magnetic field rotates (stationary with respect to each other) at synchronous speed with respect to stationary observer.

DGVCL Exam Paper (11-12-2011)
Kilobyte, megabyte and gigabyte are measuring units used in a computer. How many megabytes make one gigabyte?

1204
1000
1042
1024

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DGVCL Exam Paper (11-12-2011)
The best location of the power factor correction equipment to be installed in the transmission line is at

The receiving end
The sending end
Middle of the line
Any place

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