Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.001 sec 0.01 sec 0.10 sec 0.003 sec 0.001 sec 0.01 sec 0.10 sec 0.003 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through power transformer current transformer None of these fuse power transformer current transformer None of these fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is circuit breaker isolator None of these relay circuit breaker isolator None of these relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires H.R. fuses reactors isolators earth wires H.R. fuses reactors isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle None of these has a linear characteristic has inverse characteristic is a circle None of these has a linear characteristic has inverse characteristic ANSWER DOWNLOAD EXAMIANS APP
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