Switch Gear A fuse in a motor circuit provides protection against overload None of these short-circuit and overload open circuit, short-circuit and overload overload None of these short-circuit and overload open circuit, short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of porcelain electrolytic copper copper tungsten alloy aluminium alloy porcelain electrolytic copper copper tungsten alloy aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the spring tension All of these the rate of flux built up armature core air gap the spring tension All of these the rate of flux built up armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is voltage wave only both current wave and voltage wave power factor wave only current wave only voltage wave only both current wave and voltage wave power factor wave only current wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in resistance, reactance and impedance voltage and current All of these temperature resistance, reactance and impedance voltage and current All of these temperature ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 8 6 2 4 8 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
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