Switch Gear A fuse in a motor circuit provides protection against open circuit, short-circuit and overload None of these overload short-circuit and overload open circuit, short-circuit and overload None of these overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.10 sec 0.01 sec 0.001 sec 0.003 sec 0.10 sec 0.01 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to prevent excessive currents protect the line open the circuit protect the appliance None of these prevent excessive currents protect the line open the circuit protect the appliance None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two phase motors only three phase motors two single phase motors running in parallel single phase motors only two phase motors only three phase motors two single phase motors running in parallel single phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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