Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise voltage drop no current flow heavy current flow voltage rise voltage drop no current flow heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in 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 negative circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf 6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage recovery voltage operating voltage surge voltage arc voltage recovery voltage operating voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. air break bulk oil SFe minimum oil air break bulk oil SFe minimum oil ANSWER DOWNLOAD EXAMIANS APP