Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Atmospheric pressures Medium pressures Very low pressure Very high pressures Atmospheric pressures Medium pressures Very low pressure Very high pressures ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. None of these Decreases Increases Has no effect on None of these Decreases Increases Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler are None of these Horizontal Inclined Vertical None of these Horizontal Inclined Vertical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Induced draft fan Chimney Precipitator Smoke meter Induced draft fan Chimney Precipitator Smoke meter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS