Switch Gear The rating of a circuit breaker is generally determined on the basis of symmetrical fault current double line to ground fault current single line to ground fault current line to line fault current symmetrical fault current double line to ground fault current single line to ground fault current line to line fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay 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 None of these electronic relays thermal relays electro-mechanical relays None of these electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker None of these is opened by remote control opens automatically is opened manually None of these is opened by remote control opens automatically is opened manually ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on both inductance and capacitance of the system the inductance of the system only the type of circuit breaker the capacitance of the system only both inductance and capacitance of the system the inductance of the system only the type of circuit breaker the capacitance of the system only ANSWER DOWNLOAD EXAMIANS APP
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