Switch Gear An isolator is designed to open a circuit under no load None of these normal conditions full load no load None of these normal conditions full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of voltage current VAR kVA voltage current VAR kVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 20 A 200 A 100 A 50 A 20 A 200 A 100 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have high conductivity low melting point All of these low cost high conductivity low melting point All of these low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage supply voltage restriking voltage recovery voltage peak voltage supply voltage restriking voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP