Switch Gear The material used for fuse must have low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure all of these foreign matter on the contact surface slow making and breaking of load circuit contacts too low contact pressure all of these foreign matter on the contact surface slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 20 kA 60 kA 35 kA 80 kA 20 kA 60 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases decreases None of these remains same increases decreases None of these remains same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS