Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Area of the actual indicator diagram to the area of theoretical indicator diagram Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Area of the actual indicator diagram to the area of theoretical indicator diagram ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Does not change Decreases Increases None of these Does not change Decreases Increases None 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 Stage efficiency Reheat factor Rankine efficiency Internal efficiency Stage efficiency Reheat factor Rankine efficiency Internal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals to atmospheric pressure Equals 760 mm of mercury Equals the pressure of water in the container Equals that of the surroundings Equals to atmospheric pressure Equals 760 mm of mercury Equals the pressure of water in the container Equals that of the surroundings ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool ANSWER DOWNLOAD EXAMIANS APP
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