Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity zero unity None of these infinity zero unity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to 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 foreign matter on the contact surface slow making and breaking of load circuit contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Generators Motors Transmission line Transformers Generators Motors Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of 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 power frequencies ANSWER DOWNLOAD EXAMIANS APP