Switch Gear A fuse should have low melting point All of these high conductivity low cost low melting point All of these high conductivity low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.8 sec 1.5 sec 1 sec 0.002 sec 0.8 sec 1.5 sec 1 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors resistors capacitors None of these reactors resistors capacitors None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control opens automatically None of these is opened manually is opened by remote control opens automatically None of these is opened manually ANSWER DOWNLOAD EXAMIANS APP
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