Switch Gear HRC fuses provide best protection against reverse current short circuits overload open circuits reverse current short circuits overload open circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in 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 negative circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line open the circuit prevent excessive currents protect the appliance None of these protect the line open the circuit prevent excessive currents protect the appliance None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic has a linear characteristic is a circle None of these has inverse characteristic has a linear characteristic is a circle None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP