Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero None of these unity infinity zero None of these unity infinity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop voltage rise no current flow heavy current flow voltage drop voltage rise no current flow heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty short duty intermittent duty over currents repeated duty short duty intermittent duty over currents ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap does not deteriorate with age has high speed of operation All of these is quite cheap does not deteriorate with age has high speed of operation 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 lubricate the contacts insulate the contacts from switch body All of these None of these extinguish the arc lubricate the contacts insulate the contacts from switch body All of these None of these ANSWER DOWNLOAD EXAMIANS APP