Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 950-1100°C Atmospheric temperature 700-850°C 500-600°C 950-1100°C Atmospheric temperature 700-850°C 500-600°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare The given boiler with the model Any type of boilers operating under any conditions The two different boilers of the same make Two different makes of boilers operating under the same operating conditions The given boiler with the model Any type of boilers operating under any conditions The two different boilers of the same make Two different makes of boilers operating under the same operating conditions 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 = β₂ and β₁ = α₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₂ and β₁ = α₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ < β₁ and α₂ > β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) tan²α cos²α cot²α sin²α tan²α cos²α cot²α sin²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The basic purpose of drum in boiler is to Serve as storage of steam Separate steam from water Serve as storage of feed water for water wall Remove salts from water Serve as storage of steam Separate steam from water Serve as storage of feed water for water wall Remove salts from water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 175 tonnes/h 135 tonnes/h 100 tonnes/h 250 tonnes/h 175 tonnes/h 135 tonnes/h 100 tonnes/h 250 tonnes/h ANSWER DOWNLOAD EXAMIANS APP
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