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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

CPU
Keyboard
Modem
UPS

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DGVCL Exam Paper (11-12-2011)
Fot fast load flow calculations, the best method is

Newton-Raphson
Gauss-Siedal
De-coupled method
Approximate method

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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

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

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DGVCL Exam Paper (11-12-2011)
In the protection of transformers, harmonic restraint is used to guard against

Unbalanced protection
Switching over voltages
Magnetizing inrush current
Lightning

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Initial inrush of magnetizing currents have high component of even and odd harmonics.
2nd - 63%
3rd -26.8%
4th- 5.1%
5th- 4.1%
6th- 3.7
7th-2.4

DGVCL Exam Paper (11-12-2011)
Which lightning stroke is most dangerous?

Direct stroke on line conductor
Direct stroke on ground wire
Indirect stroke on conductor
Direct stoke on tower top

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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?

Control backup
Remote backup
Relay backup
Breaker backup

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

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