Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Halves. Doubled. Increase but does not doubled. Decrease but does not halves. Halves. Doubled. Increase but does not doubled. Decrease but does not halves. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of none of these. long lines. short lines. medium lines. none of these. long lines. short lines. medium lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 75% 50% 90% 86%% 75% 50% 90% 86%% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. remain same less None of these more remain same less None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to convert kinetic energy of water. all of above. reduce water hammer. increase flow rate of water. convert kinetic energy of water. all of above. reduce water hammer. increase flow rate of water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true R/L = C/G. R = O, G = O. R/L = G/C. None of above. R/L = C/G. R = O, G = O. R/L = G/C. None of above. ANSWER DOWNLOAD EXAMIANS APP
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