Switch Gear A fuse should have low cost low melting point All of these high conductivity low cost low melting point All of these high conductivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy electrolytic copper aluminium alloy porcelain copper tungsten alloy electrolytic copper aluminium alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in Both of the listed here positive circuit only none of the listed here negative circuit only Both of the listed here positive circuit only none of the listed here negative circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always less than 1 always 1 always more than 1 None of these always less than 1 always 1 always more than 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity ANSWER DOWNLOAD EXAMIANS APP