DGVCL Exam Paper (11-12-2011)

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

Reduce corona

Reduce skin effect

Balance line voltage drop

Reduce line loss

Reduce corona

Reduce skin effect

Balance line voltage drop

Reduce line loss

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DGVCL Exam Paper (11-12-2011)
The main criterion for the design of a distributor is

Voltage drop

Radio interference

Temperature rise

Corona loss

Voltage drop

Radio interference

Temperature rise

Corona loss

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DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

Low iron loss

Low copper as well as iron loss

Low copper loss

Low voltage

Low iron loss

Low copper as well as iron loss

Low copper loss

Low voltage

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start motor

Capacitor start capacitor run motor

Universal motor

Split phase motor

Capacitor start motor

Capacitor start capacitor run motor

Universal motor

Split phase motor

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DGVCL Exam Paper (11-12-2011)
Which type of back up protection is widely used for the protection of transmission lines?

Relay backup

Remote backup

Control backup

Breaker backup

Relay backup

Remote backup

Control backup

Breaker backup

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DGVCL Exam Paper (11-12-2011)
People can interact with each other through any part of the world through video conferencing using

Webcam

Speaker

Joystick

Scanner

Webcam

Speaker

Joystick

Scanner

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