Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and increase in supply frequency decrease 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 increase in conductor size and increase in supply frequency decrease 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 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 0.200 pu. 0.075 pu. 0.125 pu. 3.000 pu. 0.200 pu. 0.075 pu. 0.125 pu. 3.000 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will both 2 and 3 reduce the heat increase the thermal efficiency reduce the thermal efficiency both 2 and 3 reduce the heat increase the thermal efficiency reduce the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 4 MJ/MVA 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 52 Ω 33 Ω 40 Ω 28 Ω 52 Ω 33 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass of the fuel is the amount required to make the multiplication factor more than 1. equal to factor. 0.5. less than 1. more than 1. equal to factor. 0.5. less than 1. ANSWER DOWNLOAD EXAMIANS APP
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