Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Corroding air heaters All of these Spontaneous combustion during coal storage Facilitating ash precipitation Corroding air heaters All of these Spontaneous combustion during coal storage Facilitating ash precipitation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated in kg per kg of fuel burnt is called Equivalent evaporation from and at 100° C Evaporative capacity of a boiler None of these Boiler efficiency Equivalent evaporation from and at 100° C Evaporative capacity of a boiler None of these Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The major axis of elliptical manholes on the shell should be provided On dished end Longitudinally Anywhere Circumferentially On dished end Longitudinally Anywhere Circumferentially ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Safety valve Stop valve Fusible plug Blow off cock Safety valve Stop valve Fusible plug Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Provide air around burners for obtaining optimum combustion Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal 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 = pm × K pa = K/pm pa = pm/K pa = pm + K pa = pm × K pa = K/pm ANSWER DOWNLOAD EXAMIANS APP
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