Switch Gear Minimum arcing voltage will be least in case of tungsten silver carbon graphite tungsten silver carbon graphite ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic has a linear characteristic None of these is a circle has inverse characteristic has a linear characteristic None of these is a circle ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance high melting point and low specific resistance low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 35 kA 80 kA 60 kA 20 kA 35 kA 80 kA 60 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
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