Power Systems Lightning arresters are used for All of these protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits All of these protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 23060 J. 20160 J. 20060 J. 25060 J. 23060 J. 20160 J. 20060 J. 25060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which corona is visible with blue or violet colour both 1 and 2 None of these corona is just initiated corona is visible with blue or violet colour both 1 and 2 None of these corona is just initiated ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce ferranti effect proximity effect skin effect interference with neighbouring communication lines ferranti effect proximity effect skin effect interference with neighbouring communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is generator. none of these. transformer and transmission lines. motor. generator. none of these. transformer and transmission lines. motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS