Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 0.5 sec 100 micro-second 50 milli-second 0.1 sec 0.5 sec 100 micro-second 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 200 A 100 A 50 A 20 A 200 A 100 A 50 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. None of these Impedance Reactance Induction type None of these Impedance Reactance Induction type ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air Is nontoxic is yellow in colour has pungent small is lighter than air Is nontoxic is yellow in colour has pungent small ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS