Switch Gear Arc in a circuit breaker is interrupted at minimum voltage maximum voltage maximum current zero current minimum voltage maximum voltage maximum current zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of All of these current voltage wave power All of these current voltage wave power ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always 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 lagging the arc current by 90° leading the arc current by 90° None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 300 A 100 A 200 A more than 1000 A 300 A 100 A 200 A ANSWER DOWNLOAD EXAMIANS APP