Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of MVA volts Mw amperes MVA volts Mw amperes ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 33 kV 66 kV 132 kV 11 kV 33 kV 66 kV 132 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500 A 1500/√3 A 750 A None of these 1500 A 1500/√3 A 750 A None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.001 sec 0.10 sec 0.003 sec 0.01 sec 0.001 sec 0.10 sec 0.003 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP