Switch Gear The arc voltage produced in AC circuit breaker is always None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 11 kV 66 kV 33 kV 132 kV 11 kV 66 kV 33 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy electrolytic copper aluminium alloy porcelain copper tungsten alloy electrolytic copper aluminium alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through power transformer None of these fuse current transformer power transformer None of these fuse current transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these ANSWER DOWNLOAD EXAMIANS APP
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