Switch Gear Directional relay are based on flow of voltage wave current power All of these voltage wave current power All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of either of the above higher frequencies entering generator or transformer units None of these power frequencies either of the above higher frequencies entering generator or transformer units None of these power frequencies ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A more than 5A 2.5 A 1 A 5 A more than 5A 2.5 A 1 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A more than 1000 A 300 A 100 A 200 A more than 1000 A 300 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always 1 None of these always more than 1 always less than 1 always 1 None of these always more than 1 always less than 1 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
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