Switch Gear When a fault occur in a power system, the circuit breaker opens automatically None of these is opened manually is opened by remote control opens automatically None of these is opened manually is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas Is nontoxic is lighter than air has pungent small is yellow in colour Is nontoxic is lighter than air has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of kVA VAR voltage current kVA VAR voltage current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of many turns of thin wire few turns of thin wire many turns of thick wire few turns of thick wire many turns of thin wire few turns of thin wire many turns of thick wire few turns of thick wire ANSWER DOWNLOAD EXAMIANS APP