Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A 300 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker 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 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have high conductivity low melting point low cost All of these high conductivity low melting point low cost All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of current kVA VAR voltage current kVA VAR voltage ANSWER DOWNLOAD EXAMIANS APP