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DGVCL Exam Paper (11-12-2011)
Buchholz relay causes
Tripping for major faults and alarm for minor faults
Tripping for both major and minor faults
Tripping for minor faults and alarm for major faults
Alarm for both major and minor faults
Tripping for major faults and alarm for minor faults
Tripping for both major and minor faults
Tripping for minor faults and alarm for major faults
Alarm for both major and minor faults
Answer
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Related Question
DGVCL Exam Paper (11-12-2011)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be
25
10
15
50
25
10
15
50
Answer
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DGVCL Exam Paper (11-12-2011)
The picture on the monitor of a computer is made up of tiny coloured dots called
Pixels
Points
Icons
Spots
Pixels
Points
Icons
Spots
Answer
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DGVCL Exam Paper (11-12-2011)
Different computers are connected to a LAN by a cable and a
Modem
Telephone line
Special wires
Interface card
Modem
Telephone line
Special wires
Interface card
Answer
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DGVCL Exam Paper (11-12-2011)
The transient stability of a power system can be improved by
Excitation control
Increasing the turbine valve opening
Phase shifting transformer
Single pole switching of circuit breakers
Excitation control
Increasing the turbine valve opening
Phase shifting transformer
Single pole switching of circuit breakers
Answer
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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
Speaker
Joystick
Webcam
Scanner
Speaker
Joystick
Webcam
Scanner
Answer
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