Steam Boilers, Engines, Nozzles and Turbines The reheat factor is the ratio of the None of these Isentropic heat drop to the heat supplied Total useful heat drop to the total isentropic heat drop Cumulative heat drop to the isentropic heat drop None of these Isentropic heat drop to the heat supplied Total useful heat drop to the total isentropic heat drop Cumulative heat drop to the isentropic heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Remains the same Decreases Increases Is unpredictable Remains the same Decreases Increases Is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost All of these To dry flue gases In moisture present in the fuel To steam formed by combustion of hydrogen per kg of fuel All of these To dry flue gases In moisture present in the fuel To steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity decreases Velocity remains constant Velocity increases Pressure remains constant Velocity decreases Velocity remains constant Velocity increases Pressure remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 72.5 mm 92.5 mm 62.5 mm 6.25 mm 72.5 mm 92.5 mm 62.5 mm 6.25 mm ANSWER DOWNLOAD EXAMIANS APP
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