Switch Gear Arc in a circuit breaker is interrupted at zero current minimum voltage maximum voltage maximum current zero current minimum voltage maximum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is yellow in colour is lighter than air is nontoxic has pungent small None of these is yellow in colour is lighter than air is nontoxic has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are None of these Electronic and bimetallic Thermocouple Both of the listed here None of these Electronic and bimetallic Thermocouple Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. resistors reactors None of these capacitors resistors reactors None of these capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always leading the arc current by 90° lagging the arc current by 90° None of these In phase with the arc current leading the arc current by 90° lagging the arc current by 90° None of these In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity unity None of these zero infinity unity None of these zero ANSWER DOWNLOAD EXAMIANS APP