Switch Gear The time-current graph of a fuse has a linear characteristic is a circle has inverse characteristic None of these has a linear characteristic is a circle has inverse characteristic None of these 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 Wave trap is used to trap waves of higher frequencies entering generator or transformer units either of the above None of these power frequencies higher frequencies entering generator or transformer units either of the above None of these power frequencies ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing 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 ? oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap has high speed of operation All of these does not deteriorate with age is quite cheap has high speed of operation All of these does not deteriorate with age ANSWER DOWNLOAD EXAMIANS APP
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