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Admittance relay is

directional relay
non-directional relay
None of these
impedance relay

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To reduce short circuit fault currents......... are used.

reactors
None of these
capacitors
resistors

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A differential relay measures the vector difference between

two currents
two or more similar electrical quantities
None of these
two voltages

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The fuse rating is expressed in terms of

current
kVA
voltage
VAR

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Relay can be designed to respond to changes in

voltage and current
All of these
resistance, reactance and impedance
temperature

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The device that detects the fault in a power system is

circuit breaker
relay
None of these
isolator

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