Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Greater than unity Equal to unity None of these Less than unity Greater than unity Equal to unity None of these Less than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 170 MN/m² 1.7 MN/m² 0.17 MN/m² 17 MN/m² 170 MN/m² 1.7 MN/m² 0.17 MN/m² 17 MN/m² 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 = K/pm pa = pm + K pa = pm/K pa = pm × K pa = K/pm pa = pm + K pa = pm/K pa = pm × K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that Steam is admitted at boiler pressure and exhausted at condenser pressure The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation All of these Steam is admitted at boiler pressure and exhausted at condenser pressure The expansion (or compression) of the steam is hyperbolic There is no pressure drop due to condensation All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Reheat factor Internal efficiency Rankine efficiency Stage efficiency Reheat factor Internal efficiency Rankine efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Cavitation of boiler feed pumps pH value of water Heat transfer coefficient Corrosion caused by oxygen Cavitation of boiler feed pumps pH value of water Heat transfer coefficient Corrosion caused by oxygen ANSWER DOWNLOAD EXAMIANS APP
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