Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage recovery voltage restriking voltage peak voltage supply voltage recovery voltage restriking voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only both open and short-circuit faults None of these open-circuit faults only short-circuit faults only both open and short-circuit faults None of these open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to insulate the contacts from switch body extinguish the arc None of these All of these lubricate the contacts insulate the contacts from switch body extinguish the arc None of these All of these lubricate the contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is yellow in colour None of these is lighter than air has pungent small is nontoxic is yellow in colour None of these is lighter than air has pungent small is nontoxic ANSWER DOWNLOAD EXAMIANS APP