Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 6 kg/cm 100 kg/cm² 1 kg/cm 17 kg/cm² 6 kg/cm 100 kg/cm² 1 kg/cm 17 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Stage efficiency Internal efficiency Rankine efficiency None of these Stage efficiency Internal efficiency Rankine efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet and exit respectively and β₁ and β₂ are the moving blade angles at entrance and exit respectively, then α₁ = β₁ and α₂= β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = β₁ and α₂= β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) I.P. (I.P.)² 1/(I.P) 1/(I.P)² I.P. (I.P.)² 1/(I.P) 1/(I.P)² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Vacuum efficiency Nozzle efficiency Condenser efficiency Boiler efficiency Vacuum efficiency Nozzle efficiency Condenser efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Temperature, time, and turbulence Thorough mixing, total air and temperature Total air, true fuel, and turbulence Total air, time, and temperature Temperature, time, and turbulence Thorough mixing, total air and temperature Total air, true fuel, and turbulence Total air, time, and temperature ANSWER DOWNLOAD EXAMIANS APP
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