Switch Gear protection of fuses is generally not used beyond 50 A 200 A 100 A 20 A 50 A 200 A 100 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? distilled water transformer oil sulphur hexafluoride carbon tetrachloride distilled water transformer oil sulphur hexafluoride carbon tetrachloride 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 All of these None of these lubricate the contacts extinguish the arc insulate the contacts from switch body All of these None of these lubricate the contacts extinguish the arc insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against open circuits reverse current overload short circuits open circuits reverse current overload short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay directional relay impedance relay None of these non-directional relay directional relay impedance relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap the spring tension the rate of flux built up All of these armature core air gap the spring tension the rate of flux built up All of these ANSWER DOWNLOAD EXAMIANS APP