Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Francis Impeller Kaplan Pelton Francis Impeller Kaplan Pelton 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? 86%% 50% 75% 90% 86%% 50% 75% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant Helium. Heavy water. CO2. Any of above. Helium. Heavy water. CO2. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher saturation temperature than other fluids. higher critical temperature and pressure. all of above. relative low vaporization pressure. higher saturation temperature than other fluids. higher critical temperature and pressure. all of above. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants both operating and initial cost are low. operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reactor, chain reactor is controlled by introducing graphite rods. cadmium rods. brass rods. iron rods. graphite rods. cadmium rods. brass rods. iron rods. ANSWER DOWNLOAD EXAMIANS APP