Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost All of these In moisture present in the fuel To dry flue gases To steam formed by combustion of hydrogen per kg of fuel All of these In moisture present in the fuel To dry flue gases To steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V² cos α Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler varies from 1 to 2 m 1.25 to 2.5 m 0.5 to 1 m 2 to 3 m 1 to 2 m 1.25 to 2.5 m 0.5 to 1 m 2 to 3 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is steam dial? Non-coking bituminous coal Brown coal Coking bituminous coal Pulverized coal Non-coking bituminous coal Brown coal Coking bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Isentropic process Isothermal process Throttling process Free expansion process Isentropic process Isothermal process Throttling process Free expansion process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following are boiler accessories? Superheater Both (A) and (B) None of these Economizer Superheater Both (A) and (B) None of these Economizer ANSWER DOWNLOAD EXAMIANS APP
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