Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively decreases and increases increases and decreases increases and increases decreases and decreases decreases and increases increases and decreases increases and increases decreases and decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are All of these Need of transformation ratio No units for any quantity It has units for all quantities All of these Need of transformation ratio No units for any quantity It has units for all quantities ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? long transmission lines medium transmission lines shoart transmission lines both 1 and 3 long transmission lines medium transmission lines shoart transmission lines both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? All of these beryllium liquid sodium graphite All of these beryllium liquid sodium graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 125 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is true? Corona loss increases with decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency increase in conductor size and increase 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 decrease in supply frequency increase in conductor size and increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
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