Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It erodes furnace walls It has heating value It helps in electrostatic precipitation of ash in flue gases It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It erodes furnace walls It has heating value It helps in electrostatic precipitation of ash in flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 170 MN/m² 17 MN/m² 1.7 MN/m² 0.17 MN/m² 170 MN/m² 17 MN/m² 1.7 MN/m² 0.17 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The indicated thermal efficiency is defined as the Ratio of thermal efficiency to the Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to the Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Product of thermal efficiency and Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Fixed carbon, ash, volatile matter, moisture Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Fixed carbon, ash, volatile matter, moisture ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm × K pa = pm/K pa = K/pm pa = pm + K pa = pm × K pa = pm/K pa = K/pm pa = pm + K ANSWER DOWNLOAD EXAMIANS APP
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