Switch Gear In Railway applications ______ circuit breaker is used. SFe minimum oil bulk oil air break SFe minimum oil bulk oil air break ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only None of these both open and short-circuit faults open-circuit faults only short-circuit faults only None of these both open and short-circuit faults open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has a linear characteristic has inverse characteristic is a circle None of these has a linear characteristic has inverse characteristic is a circle None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in negative circuit only positive circuit only Both positive and negative circuit None of these negative circuit only positive circuit only Both positive and negative circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of power frequencies 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP