Steam Boilers, Engines, Nozzles and Turbines For water, at pressures below atmospheric; Melting point drops slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point rises slightly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point rises slightly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical To withstand the pressure of steam inside the boiler To give maximum space and strength Both (A) and (B) None of these To withstand the pressure of steam inside the boiler To give maximum space and strength Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Decreases Behaves unpredictably Remain same Increases Decreases Behaves unpredictably Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Mass of the steam discharged increases All of these Exit velocity of steam reduces Entropy and specific volume of the steam increases Mass of the steam discharged increases All of these Exit velocity of steam reduces Entropy and specific volume of the steam increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is 0.06 bar 0.053 bar 0.067 bar 0.007 bar 0.06 bar 0.053 bar 0.067 bar 0.007 bar 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
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