Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 4, 10 100, 0.4 4, 0.4 100, 10 4, 10 100, 0.4 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 45 - 80 %. 20 - 30 %. 60 - 80 %. 30 - 45 %. 45 - 80 %. 20 - 30 %. 60 - 80 %. 30 - 45 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant Any of above. CO2. Heavy water. Helium. Any of above. CO2. Heavy water. Helium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC shunt motor DC series motor Three phase induction motor Three phase synchronous motor DC shunt motor DC series motor Three phase induction motor Three phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? All of these. Load cycle tests. Impulse tests. Thermal stability test. All of these. Load cycle tests. Impulse tests. Thermal stability test. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sparse matrix is matrix which contain more number of memory elements less number of memory elements more number of zeros more number of non zeros more number of memory elements less number of memory elements more number of zeros more number of non zeros ANSWER DOWNLOAD EXAMIANS APP