Steam Boilers, Engines, Nozzles and Turbines The reheat factor depends upon Initial pressure and superheat Exit pressure All of these Turbine stage efficiency Initial pressure and superheat Exit pressure All of these Turbine stage efficiency 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 = 0.5 V cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Evaporative capacity of boiler is expressed as kg of fuel fired kg of steam produced kg of steam produced per kg of fuel fifed Steam pressure produced kg of fuel fired kg of steam produced kg of steam produced per kg of fuel fifed Steam pressure produced ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the correct statement as regards Cornish boiler and Lancashire boiler Cornish has two fire tubes and Lancashire has one Cornish is fire tube and Lancashire is water tube Lancashire has two fire tubes and Cornish has one Cornish is water tube and Lancashire is fire tube Cornish has two fire tubes and Lancashire has one Cornish is fire tube and Lancashire is water tube Lancashire has two fire tubes and Cornish has one Cornish is water tube and Lancashire is fire tube ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Does not affects the boiling point of a liquid Raises the boiling point of a liquid Lowers the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Raises the boiling point of a liquid Lowers the boiling point of a liquid Reduces its volume 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 = β₁ and α₂= β₂ 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 ANSWER DOWNLOAD EXAMIANS APP
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