Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to None of these lubricate the contacts extinguish the arc insulate the contacts from switch body All of these None of these lubricate the contacts extinguish the arc insulate the contacts from switch body All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the inductance of the system only the capacitance of the system only the type of circuit breaker both inductance and capacitance of the system the inductance of the system only the capacitance of the system only the type of circuit breaker both inductance and capacitance of the system ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is yellow in colour is lighter than air has pungent small Is nontoxic is yellow in colour is lighter than air has pungent small Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The power loss is an important factor for the design of transmission line generator motor feeder transmission line generator motor feeder ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum voltage minimum voltage maximum current zero current maximum voltage minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.05 sec 0.002 sec 0.2 sec 0.001 sec 0.05 sec 0.002 sec 0.2 sec ANSWER DOWNLOAD EXAMIANS APP
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