Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten 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 6 8 4 2 6 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is yellow in colour None of these is lighter than air has pungent small is nontoxic is yellow in colour None of these is lighter than air has pungent small is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage rise voltage drop heavy current flow no current flow voltage rise voltage drop heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 132 kV 66 kV 11 kV 33 kV 132 kV 66 kV 11 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP