Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from None of these 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of drums in Benson steam generator is No drum Two One steam drum and one water drum One No drum Two One steam drum and one water drum One 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 = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 900 m/s 79 m/s 188 m/s 450 m/s 900 m/s 79 m/s 188 m/s 450 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Raising of steam temperature High calorific value coal being burnt Fouling of heat transfer surfaces Higher effectiveness of boiler Raising of steam temperature High calorific value coal being burnt Fouling of heat transfer surfaces Higher effectiveness of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a water tube boiler? Lancashire boiler Cochran boiler Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Cochran boiler Locomotive boiler Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
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