Switch Gear protection of fuses is generally not used beyond 50 A 200 A 20 A 100 A 50 A 200 A 20 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these increases remains same decreases None of these increases remains same decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires all of these arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these does not deteriorate with age has high speed of operation is quite cheap All of these does not deteriorate with age has high speed of operation is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in none of the listed here negative circuit only positive circuit only Both of the listed here none of the listed here negative circuit only positive circuit only Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS