Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. none of above. solar, wind, biomass. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. none of above. solar, wind, biomass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 40 km 80 km any of the above 150 km 40 km 80 km any of the above 150 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to reduce water hammer. convert kinetic energy of water. increase flow rate of water. all of above. reduce water hammer. convert kinetic energy of water. increase flow rate of water. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 800 Ω 400 Ω 160 Ω 200 Ω 800 Ω 400 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines A = D = 1 Is = Ir All of these B = C = Z A = D = 1 Is = Ir All of these B = C = Z ANSWER DOWNLOAD EXAMIANS APP