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? 50% 86%% 75% 90% 50% 86%% 75% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are all of above. the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. amount of vegetation and weather condition in the catchment area. all of above. the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. amount of vegetation and weather condition in the catchment area. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, All of these interference increases power loss increases charging current increases All of these interference increases power loss increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 200 Ω 320 Ω 160 Ω 400 Ω 200 Ω 320 Ω 160 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Hydro Power Plant Nuclear. Gas turbine. Thermal. Hydro Power Plant Nuclear. Gas turbine. Thermal. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS