Switch Gear The rated secondary current of current transformer for relays is generally 10 A 20 A 30 A 5 A 10 A 20 A 30 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it has high speed of operation All of these does not deteriorate with age is quite cheap has high speed of operation All of these does not deteriorate with age is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only short-circuit faults only None of these both open and short-circuit faults open-circuit faults only short-circuit faults only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by rewirable fuse All of these H.R.'only relay rewirable fuse All of these H.R.'only relay ANSWER DOWNLOAD EXAMIANS APP