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DGVCL Exam Paper (11-12-2011)
A fuse wire should have
High specific resistance and low melting point
High specific resistance and high melting point
Low specific resistance and high melting point
Low specific resistance and low melting point
High specific resistance and low melting point
High specific resistance and high melting point
Low specific resistance and high melting point
Low specific resistance and low melting point
Answer
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Related Question
DGVCL Exam Paper (11-12-2011)
Reactance relay is used to protect against
Earth faults only
Both phase and earth faults
Over voltage faults
Phase faults only
Earth faults only
Both phase and earth faults
Over voltage faults
Phase faults only
Answer
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DGVCL Exam Paper (11-12-2011)
At time t= 0+ , with zero initial condition, which of the following acts as a short circuit?
Resistor
Conductor
Voltage source
Capacitor
Resistor
Conductor
Voltage source
Capacitor
Answer
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DGVCL Exam Paper (11-12-2011)
In a series RLC circuit at resonance
Current is maximum and power factor is unity
Current is minimum and power factor is 0.5
Current is maximum and power factor is 0.5
Current is minimum and power factor is unity
Current is maximum and power factor is unity
Current is minimum and power factor is 0.5
Current is maximum and power factor is 0.5
Current is minimum and power factor is unity
Answer
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DGVCL Exam Paper (11-12-2011)
Permittivity is expressed in terms of
farad/sq. m.
Farad/m
N/m
Weber /m
farad/sq. m.
Farad/m
N/m
Weber /m
Answer
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DGVCL Exam Paper (11-12-2011)
If the excitation of a synchronous generator fails, it acts as a
Synchronous generator
Induction motor
Induction generator
Synchronous motor
Synchronous generator
Induction motor
Induction generator
Synchronous motor
Answer
Explanation
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if excitation of synchronous generator fails, operate as induction motor
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