Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 10 20 4 8 10 20 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.2 pu 0.1 pu 0.4 pu 0.25 pu 0.2 pu 0.1 pu 0.4 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents maximum rate of run-off during the period. total of units of energy available. total quantity of run-off during that period. total power available. maximum rate of run-off during the period. total of units of energy available. total quantity of run-off during that period. total power available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on frequency conductivity All of these relative permeability frequency conductivity All of these relative permeability 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 0.125 pu. 3.000 pu. 0.075 pu. 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. 0.200 pu. ANSWER DOWNLOAD EXAMIANS APP
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