Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 50 milli-second 0.1 sec 100 micro-second 0.5 sec 50 milli-second 0.1 sec 100 micro-second 0.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic is a circle has a linear characteristic None of these has inverse characteristic is a circle has a linear characteristic None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current controlling device current limiting device protective device None of these current controlling device current limiting device protective device None of these ANSWER DOWNLOAD EXAMIANS APP
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
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