Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 None of these always less than 1 always 1 always more than 1 None of these always less than 1 always 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the inductance of the system only the type of circuit breaker both inductance and capacitance of the system the capacitance of the system only the inductance of the system only the type of circuit breaker both inductance and capacitance of the system the capacitance of the system only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker sf 6 circuit breaker bulk oil circuit breaker low oil circuit breaker air break circuit breaker sf 6 circuit breaker bulk oil circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload None of these open circuit, short-circuit and overload overload short-circuit and overload None of these open circuit, short-circuit and overload overload ANSWER DOWNLOAD EXAMIANS APP