Switch Gear Back up protection is generally used for protection against short-circuit faults only both open and short-circuit faults None of these open-circuit faults only short-circuit faults only both open and short-circuit faults None of these open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.10 sec 0.001 sec 0.01 sec 0.003 sec 0.10 sec 0.001 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have 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 Low melting point and low specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip inverse time trip time-delay trip None of these shunt trip inverse time trip time-delay trip None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon tungsten graphite silver carbon tungsten graphite silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is oil circuit breaker all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker all are correct air-blast circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP