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Distance relays are generally

none of these
split-phase relays
impedance relays
reactance relays

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To protect most of the electrical equipment handling low power, the types of relays used are

Electronic and bimetallic
Both of the listed here
None of these
Thermocouple

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A differential relay measures the vector difference between

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

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The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is

4
6
2
8

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A _______ is used to measure the stator % winding temperature of the generator.

pyrometer
thermometer
resistance thermometer
thermocouple

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Insulation resistance of high voltage circuit breakers is more than

10 mega ohms
1 mega ohms
100 mega ohms
500 mega ohms

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