Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB air break circuit breaker bulk oil circuit breaker low oil circuit breaker Sf6 CB air break circuit breaker bulk oil circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on neutral line two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is nontoxic is lighter than air has pungent small is yellow in colour None of these is nontoxic is lighter than air has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 35 kA 80 kA 60 kA 20 kA 35 kA 80 kA 60 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? carbon tetrachloride distilled water sulphur hexafluoride transformer oil carbon tetrachloride distilled water sulphur hexafluoride transformer oil ANSWER DOWNLOAD EXAMIANS APP
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