Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be more than 5A 5 A 1 A 2.5 A more than 5A 5 A 1 A 2.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally none of these split-phase relays reactance relays impedance relays none of these split-phase relays reactance relays impedance relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of power frequencies either of the above None of these higher frequencies entering generator or transformer units power frequencies either of the above None of these higher frequencies entering generator or transformer units ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum current zero current maximum voltage minimum voltage maximum current zero current maximum voltage minimum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero infinity None of these unity zero infinity None of these unity ANSWER DOWNLOAD EXAMIANS APP