Switch Gear The relay operating coil is supplied through None of these current transformer power transformer fuse None of these current transformer power transformer fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 20 A 5 A 10 A 30 A 20 A 5 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against 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 None of these short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is current wave only voltage wave only power factor wave only both current wave and voltage wave current wave only voltage wave only power factor wave only both current wave and voltage wave ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up the spring tension All of these armature core air gap the rate of flux built up the spring tension All of these armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
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