Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to 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 foreign matter on the contact surface slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 3.3 kV to 11 kv 11 kv to 33 kv 33 kV to 66 kV None of these 3.3 kV to 11 kv 11 kv to 33 kv 33 kV to 66 kV None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage drop voltage rise heavy current flow no current flow voltage drop voltage rise heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS