Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness for a large high pressure pipeline is determined by the consideration of the Forces exerted by static and dynamic action at bends Temperature stresses Axial tensile stress in the pipe Circumferential pipewall tension Forces exerted by static and dynamic action at bends Temperature stresses Axial tensile stress in the pipe Circumferential pipewall tension ANSWER DOWNLOAD EXAMIANS APP
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 An increase in liquid viscosity Decrease in gas solubility for absorbers All of these An increase in relatived volatility for rectification columns An increase in liquid viscosity Decrease in gas solubility for absorbers All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum plate efficiency is achieved in case of __________ flow. Reverse Cascade Cross Split Reverse Cascade Cross Split ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column? Depth of liquid above the bubble cap slots Vapour velocity in the volume between the plates All of these Plate spacing Depth of liquid above the bubble cap slots Vapour velocity in the volume between the plates All of these Plate spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) √A A/P 4 A/P 4 P/A √A A/P 4 A/P 4 P/A ANSWER DOWNLOAD EXAMIANS APP
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