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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
A fuse is inserted in

Both phased and neutral wire
Phase wire
Neutral wire
Earth continuity conductor

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DGVCL Exam Paper (11-12-2011)
If a 5 A fuse is blown frequently in a house lighting circuit, it is required to

Insert a fuse of higher current rating
Insert a fuse of higher voltage rating
Reduce the load
Check the load

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DGVCL Exam Paper (11-12-2011)
All the peripheral devices connected to a computer require power to work. Which of the following voltages is required for the motherboard to work?

DC
Negative cycle of sine wave
Positive cycle of sine wave
AC

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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

50
15
25
10

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DGVCL Exam Paper (11-12-2011)
A fixed step by step procedure for finding the solution of a problem on computer is called

Algorithm
Software
Logic
Hardware

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DGVCL Exam Paper (11-12-2011)
An over excited synchronous motor draws current at

Lagging power factor
Depends on nature of load
Leading power factor
Unity power factor

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Over excitation : leading current
Under excitation : lagging current
Normal excitation : current with unity PF (in phase current)

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