Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by An increase in relatived volatility for rectification columns Decrease in gas solubility for absorbers All of these An increase in liquid viscosity An increase in relatived volatility for rectification columns Decrease in gas solubility for absorbers All of these An increase in liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the None of these Density of the fluid Viscosity of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) None of these Density of the fluid Viscosity of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the Trouton's rule is applicable Sensible heat differences are small, because the temperature changes from tray to tray is small All of these Liquid/vapor loading across the column remains constant Trouton's rule is applicable Sensible heat differences are small, because the temperature changes from tray to tray is small All of these Liquid/vapor loading across the column remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the Higher structural strength None of these Both A & B Lowest surface area requirement for a given volume Higher structural strength None of these Both A & B Lowest surface area requirement for a given volume ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? None of these Murphree plate efficiency Point efficiency Overall plate efficiency None of these Murphree plate efficiency Point efficiency Overall plate efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter ANSWER DOWNLOAD EXAMIANS APP
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