Switch Gear 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 2 6 8 4 2 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two voltages two currents two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in resistance, reactance and impedance voltage and current All of these temperature resistance, reactance and impedance voltage and current All of these temperature ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is relay None of these isolator circuit breaker relay None of these isolator circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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