Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A _______ is used to measure the stator % winding temperature of the generator. resistance thermometer thermocouple thermometer pyrometer resistance thermometer thermocouple thermometer pyrometer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current controlling device circuit interrupting device None of these current limiting device current controlling device circuit interrupting device None of these current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.8 sec 1.5 sec 1 sec 0.002 sec 0.8 sec 1.5 sec 1 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Generators Transformers Motors Transmission line Generators Transformers Motors Transmission line ANSWER DOWNLOAD EXAMIANS APP
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