Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Unburnt carbon Dry flue gases Steam formation Moisture in fuel Unburnt carbon Dry flue gases Steam formation Moisture in fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Ultimate analysis of fuel is determination of percentage of 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 Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Nozzle efficiency Mechanical efficiency Blading efficiency Stage efficiency Nozzle efficiency Mechanical efficiency Blading efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the moving blades, Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water wall furnace, the heat is transferred to the water walls by Radiation Convection Conduction Radiation and conduction Radiation Convection Conduction Radiation and conduction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS