Switch Gear To limit short-circuit current in a power system are used H.R. fuses reactors earth wires isolators H.R. fuses reactors earth wires isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance low melting point and any specific resistance high melting point and low specific resistance low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance high melting point and low specific resistance low melting point and high specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is circuit breaker isolator None of these relay circuit breaker isolator None of these relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to ground fault all three lines short-circuited line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil air break SFe bulk oil minimum oil air break SFe bulk oil ANSWER DOWNLOAD EXAMIANS APP
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