Switch Gear In Railway applications ______ circuit breaker is used. minimum oil SFe bulk oil air break minimum oil SFe bulk oil air break ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Motors Generators Transformers Transmission line Motors Generators Transformers Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 6 2 8 4 6 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip None of these inverse time trip time-delay trip shunt trip None of these inverse time trip time-delay trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity good selectivity and reliability All of these economy and simplicity high speed and selectivity good selectivity and reliability All of these economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS