Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control is opened manually opens automatically None of these is opened by remote control is opened manually opens automatically None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. air break SFe minimum oil bulk oil air break SFe minimum oil bulk oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Reactance Induction type None of these Impedance Reactance Induction type None of these Impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection impulse voltage ANSWER DOWNLOAD EXAMIANS APP