Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A 1500 A 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° None of these In phase with the arc current lagging the arc current by 90° leading the arc current by 90° None of these In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to square of the current inversely proportional to the square of the current inversely proportional to the current proportional to the current proportional to square of the current inversely proportional to the square of the current inversely proportional to the current proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction, dissipation and reflection interception, conduction and dissipation interception and conduction interception None of these interception, conduction, dissipation and reflection interception, conduction and dissipation interception and conduction interception None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of Mw volts amperes MVA Mw volts amperes MVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two currents None of these two voltages two or more similar electrical quantities two currents None of these two voltages two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
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