Switch Gear A switchgear is device used for switching an electrical circuit 111 interrupting an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching and controlling an electrical circuit switching an electrical circuit 111 interrupting an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching and controlling an electrical circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low melting point high conductivity low cost All of these low melting point high conductivity low cost All of these 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 extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is nontoxic 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 20 kA 35 kA 60 kA 80 kA 20 kA 35 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage recovery voltage peak voltage restriking voltage supply voltage recovery voltage peak voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP