Switch Gear The operating time of a circuit breaker is 0.05 sec 0.001 sec 0.2 sec 0.002 sec 0.05 sec 0.001 sec 0.2 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is nontoxic is lighter than air None of these is yellow in colour has pungent small is nontoxic is lighter than air None of these is yellow in colour has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on both inductance and capacitance of the system the inductance of the system only the capacitance of the system only the type of circuit breaker both inductance and capacitance of the system the inductance of the system only the capacitance of the system only the type of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
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