Power Systems Sparse matrix is matrix which contain more number of zeros more number of memory elements less number of memory elements more number of non zeros more number of zeros more number of memory elements less number of memory elements more number of non zeros 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? 0.5 F 1 F 4 F 2 F 0.5 F 1 F 4 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 56 %. 28 %. 14 %. None of above 56 %. 28 %. 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction both 1 and 2 None of these electro magnetic induction electro static induction both 1 and 2 None of these electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
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