Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 12.5 A 3.125 A 6.25 A 25 A 12.5 A 3.125 A 6.25 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of iron brass steel silver iron brass steel silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 1 mega ohms 500 mega ohms 10 mega ohms 100 mega ohms 1 mega ohms 500 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance low melting point and any specific resistance Low melting point and low specific resistance low melting point and high specific resistance high melting point and low specific resistance low melting point and any specific resistance Low melting point and low specific resistance low melting point and high specific resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS