Switch Gear The single phasing relays are used for the protection of 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 two phase motors only three phase motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is relay None of these isolator circuit breaker relay None of these isolator circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these has high speed of operation does not deteriorate with age is quite cheap All of these has high speed of operation does not deteriorate with age is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 20 A 100 A 200 A 50 A 20 A 100 A 200 A 50 A 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 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 2 6 4 8 2 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
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