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, p₂) will be 9.9 bar 8.2 bar 5.46 bar 3.3 bar 9.9 bar 8.2 bar 5.46 bar 3.3 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 10.05 1.05 6.65 2.86 10.05 1.05 6.65 2.86 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Dry saturated steam Superheated steam None of these Wet steam Dry saturated steam Superheated steam None of these Wet steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The working pressure range for a LaMont boiler is 0.5 to 10 MN/m² 3.5 to 20 MN/m² 2.5 to 15 MN/m² 1 to 15 MN/m² 0.5 to 10 MN/m² 3.5 to 20 MN/m² 2.5 to 15 MN/m² 1 to 15 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Lower calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Lower calorific value Fixed carbon, ash, volatile matter, moisture ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gusset stays in a boiler are provided to Support furnace freely from top Prevent the bulging of flat surfaces Prevent leakage of hot flue gases Avoid explosion in furnace Support furnace freely from top Prevent the bulging of flat surfaces Prevent leakage of hot flue gases Avoid explosion in furnace ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS