Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic has a linear characteristic None of these is a circle has inverse characteristic has a linear characteristic None of these is a circle ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A _______ is used to measure the stator % winding temperature of the generator. pyrometer resistance thermometer thermometer thermocouple pyrometer resistance thermometer thermometer thermocouple ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow voltage rise voltage drop ANSWER DOWNLOAD EXAMIANS APP
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