Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Equal to Higher than Lower than None of these Equal to Higher than Lower than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Factor of evaporation Equivalent evaporation Boiler efficiency Power of a boiler Factor of evaporation Equivalent evaporation Boiler efficiency Power of a boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Reduces its volume Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Raises the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 8.2 bar 9.9 bar 3.3 bar 5.46 bar 8.2 bar 9.9 bar 3.3 bar 5.46 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Direction of steam flow All of these Number of stages Mode of steam action Direction of steam flow All of these Number of stages Mode of steam action ANSWER DOWNLOAD EXAMIANS APP