Switch Gear Minimum arcing voltage will be least in case of graphite tungsten silver carbon graphite tungsten silver carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lead time clearing time operation time lag time lead time clearing time operation time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same increases None of these decreases remains same increases None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of Mw amperes MVA volts Mw amperes MVA volts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line prevent excessive currents open the circuit None of these protect the appliance protect the line prevent excessive currents open the circuit None of these protect the appliance ANSWER DOWNLOAD EXAMIANS APP