Power Systems The function of a surge tank is to supply water at constant pressure. relieve water hammer pressure in the penstock. none of above. produce surge in the pipeline. supply water at constant pressure. relieve water hammer pressure in the penstock. none of above. produce surge in the pipeline. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.13 1.25 0.89 1 1.13 1.25 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 1.47 msec 9.68 4.68 msec 2.63 msec 1.47 msec 9.68 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands in a ACSR conductor are 7, then find the layer number? 3 2 7 5 3 2 7 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? lightning arrester current transformer circuit breaker CVT lightning arrester current transformer circuit breaker CVT ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 250 A 100 A 2500 A 200 A 250 A 100 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
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