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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
A device connected to the computer which converts digital signals to analog and vice-versa is

Modem
Keyboard
UPS
CPU

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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

Joystick
Speaker
Scanner
Webcam

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DGVCL Exam Paper (11-12-2011)
Under operating conditions, the secondary of a current transformer is always short ciruited because

It protects the secondary ciruits
It is safe to human beings
It protects the primary ciruits
It avoids core saturation and high voltage induction

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DGVCL Exam Paper (11-12-2011)
The mutual inductance between two unity coupled coils of 9 H and 4 H is

36 H
6 H
13 H
2.2 H

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DGVCL Exam Paper (11-12-2011)
Ybus used in power flow studies and Zbus used in short circuit studies

Have no inter relation
Are the same
Are inverse of each other
Are transpose of each other

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

Radio interference
Temperature rise
Voltage drop
Corona loss

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

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