Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse oil circuit breaker air break circuit breaker isolator rewireable fuse oil circuit breaker air break circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 66 kV 33 kV 132 kV 11 kV 66 kV 33 kV 132 kV 11 kV 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 4 2 8 6 4 2 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against overload open circuits reverse current short circuits overload open circuits reverse current short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy aluminium alloy porcelain electrolytic copper copper tungsten alloy aluminium alloy porcelain electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
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