Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same None of these increases decreases remains same None of these increases decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.05 sec 0.002 sec 0.2 sec 0.001 sec 0.05 sec 0.002 sec 0.2 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in temperature resistance, reactance and impedance All of these voltage and current temperature resistance, reactance and impedance All of these voltage and current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through fuse None of these power transformer current transformer fuse None of these power transformer current transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in negative circuit only Both of the listed here none of the listed here positive circuit only negative circuit only Both of the listed here none of the listed here positive circuit only ANSWER DOWNLOAD EXAMIANS APP