Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? time-delay trip inverse time trip None of these shunt trip time-delay trip inverse time trip None of these shunt trip 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 fuse wire, in D.C. circuits, is inserted in none of the listed here negative circuit only positive circuit only Both of the listed here none of the listed here negative circuit only positive circuit only Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon silver graphite tungsten carbon silver graphite tungsten ANSWER DOWNLOAD EXAMIANS APP
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 6.25 A 25 A 3.125 A 12.5 A 6.25 A 25 A 3.125 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 100 A 300 A 200 A more than 1000 A 100 A 300 A 200 A ANSWER DOWNLOAD EXAMIANS APP