Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of brass iron steel silver brass iron steel silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The power loss is an important factor for the design of transmission line generator motor feeder transmission line generator motor feeder ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP