Switch Gear The arc voltage produced in AC circuit breaker is always None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same increases decreases None of these remains same increases decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is inversely proportional to the square of the current proportional to square of the current proportional to the current inversely proportional to the current inversely proportional to the square of the current proportional to square of the current proportional to the current inversely proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on both inductance and capacitance of the system the capacitance of the system only the inductance of the system only the type of circuit breaker both inductance and capacitance of the system the capacitance of the system only the inductance of the system only the type of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 66 kV 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV 132 kV 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 extinguish the arc None of these All of these lubricate the contacts insulate the contacts from switch body extinguish the arc None of these All of these lubricate the contacts insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
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