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A fuse is a
None of these
current limiting device
current controlling device
protective device
None of these
current limiting device
current controlling device
protective device
Answer
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Related Question
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Which of the following is the least expensive protection for over current is low voltage system ?
isolator
air break circuit breaker
oil circuit breaker
rewireable fuse
isolator
air break circuit breaker
oil circuit breaker
rewireable fuse
Answer
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Breaking capacity of a circuit breaker is usually expressed in terms of
volts
amperes
MVA
Mw
volts
amperes
MVA
Mw
Answer
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For the protection of power station buildings against direct strokes the requirements are
None of these
interception, conduction and dissipation
interception, conduction, dissipation and reflection
interception
interception and conduction
None of these
interception, conduction and dissipation
interception, conduction, dissipation and reflection
interception
interception and conduction
Answer
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________ relay is preferred for phase fault on short transmission line.
None of these
Induction type
Impedance
Reactance
None of these
Induction type
Impedance
Reactance
Answer
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The relay operating coil is supplied through
power transformer
current transformer
None of these
fuse
power transformer
current transformer
None of these
fuse
Answer
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