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The device that detects the fault in a power system is
circuit breaker
relay
None of these
isolator
circuit breaker
relay
None of these
isolator
Answer
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Related Question
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Arc in a circuit breaker behaves as
a resistance increasing with voltage rise across the arc
a capacitive reactance
an inductive reactance
a resistance decreasing with voltage rise across the arc
a resistance increasing with voltage rise across the arc
a capacitive reactance
an inductive reactance
a resistance decreasing with voltage rise across the arc
Answer
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The power loss is an important factor for the design of
transmission line
motor
generator
feeder
transmission line
motor
generator
feeder
Answer
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A fuse should have
All of these
high conductivity
low melting point
low cost
All of these
high conductivity
low melting point
low cost
Answer
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Breaking capacity of a circuit breaker is usually expressed in terms of
MVA
amperes
volts
Mw
MVA
amperes
volts
Mw
Answer
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The rate of rise of restriking voltage depends on
the type of circuit breaker
both inductance and capacitance of the system
the capacitance of the system only
the inductance of the system only
the type of circuit breaker
both inductance and capacitance of the system
the capacitance of the system only
the inductance of the system only
Answer
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