Switch Gear The main function of a fuse is to open the circuit prevent excessive currents None of these protect the appliance protect the line open the circuit prevent excessive currents None of these protect the appliance protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of symmetrical fault current single line to ground fault current line to line fault current double line to ground fault current symmetrical fault current single line to ground fault current line to line fault current double line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow voltage rise voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these 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
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