Switch Gear protection of fuses is generally not used beyond 50 A 100 A 200 A 20 A 50 A 100 A 200 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle has inverse characteristic has a linear characteristic None of these is a circle has inverse characteristic has a linear characteristic None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is None of these circuit breaker isolator relay None of these circuit breaker isolator relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on neutral line fault occurs on the bus itself two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on neutral line fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface too low contact pressure all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure all of these slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP