Power Systems The function of a surge tank is to produce surge in the pipeline. supply water at constant pressure. none of above. relieve water hammer pressure in the penstock. produce surge in the pipeline. supply water at constant pressure. none of above. relieve water hammer pressure in the penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by decreasing the load on the plant. using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. decreasing the load on the plant. using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% -10% 6.92% 10% -6.92% -10% 6.92% 10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.075 pu. 0.125 pu. 3.000 pu. 0.200 pu. 0.075 pu. 0.125 pu. 3.000 pu. 0.200 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Decrease but does not halves. Doubled. Increase but does not doubled. Halves. Decrease but does not halves. Doubled. Increase but does not doubled. Halves. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped capacitance in series addition of lumped inductance in parallel increasing its voltage level both 1 and 3 addition of lumped capacitance in series addition of lumped inductance in parallel increasing its voltage level both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
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