Switch Gear A fuse should have high conductivity low melting point low cost All of these high conductivity low melting point low cost All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.05 sec 0.2 sec 0.002 sec 0.001 sec 0.05 sec 0.2 sec 0.002 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control is opened manually opens automatically None of these is opened by remote control is opened manually opens automatically None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse performs circuit interruption function only both detection and interruption functions detection function only None of these circuit interruption function only both detection and interruption functions detection function only None of these ANSWER DOWNLOAD EXAMIANS APP
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