Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 50 milli-second 0.5 sec 0.1 sec 100 micro-second 50 milli-second 0.5 sec 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a circuit interrupting device current limiting device current controlling device None of these circuit interrupting device current limiting device current controlling device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the capacitance of the system only both inductance and capacitance of the system the inductance of the system only the type of circuit breaker the capacitance of the system only both inductance and capacitance of the system the inductance of the system only the type of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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 Resistance grounding is used for voltage between 33 kV to 66 kV 11 kv to 33 kv None of these 3.3 kV to 11 kv 33 kV to 66 kV 11 kv to 33 kv None of these 3.3 kV to 11 kv ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty over currents short duty intermittent duty repeated duty over currents short duty intermittent duty ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS