Switch Gear protection of fuses is generally not used beyond 20 A 200 A 100 A 50 A 20 A 200 A 100 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage operating voltage arc voltage surge voltage recovery voltage operating voltage arc voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against None of these short-circuit faults only open-circuit faults only both open and short-circuit faults None of these short-circuit faults only open-circuit faults only both open and short-circuit faults 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 short circuit in any winding of the transformer is the result of insulation failure impulse voltage mechanical vibration loose connection insulation failure impulse voltage mechanical vibration loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
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