Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Fouling of heat transfer surfaces Raising of steam temperature High calorific value coal being burnt Higher effectiveness of boiler Fouling of heat transfer surfaces Raising of steam temperature High calorific value coal being burnt Higher effectiveness of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? A steam turbine develops higher speeds The efficiency of steam turbine is higher All of these The steam consumption is less A steam turbine develops higher speeds The efficiency of steam turbine is higher All of these The steam consumption is less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Superheating of steam is done at Constant entropy Constant pressure Constant volume Constant temperature Constant entropy Constant pressure Constant volume Constant temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The missing quantity per stroke is equal to Cylinder feed + indicated mass of steam Mass of cushion steam + cylinder feed Cylinder feed indicated mass of steam Mass of cushion steam + indicated mass of steam Cylinder feed + indicated mass of steam Mass of cushion steam + cylinder feed Cylinder feed indicated mass of steam Mass of cushion steam + indicated mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume Higher calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
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