Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 10 MW 20 MW 15 MW 5 MW 10 MW 20 MW 15 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 0.5 F 1 F 4 F 2 F 0.5 F 1 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.018 per Km. None of them. 0.01 + j 0.02 per Km. 0.09 + j 0.018 per Km. 0.018 per Km. None of them. 0.01 + j 0.02 per Km. 0.09 + j 0.018 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U235 and Th239. None of these. U235, U233 and Pu239. U238 and Th232. U235 and Th239. None of these. U235, U233 and Pu239. U238 and Th232. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems More efficient plants are used as None of these base load plant peak load plant both 1 and 2 None of these base load plant peak load plant both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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