Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column? All of these Depth of liquid above the bubble cap slots Plate spacing Vapour velocity in the volume between the plates All of these Depth of liquid above the bubble cap slots Plate spacing Vapour velocity in the volume between the plates ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law. Positive None of these Negative No Positive None of these Negative No ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop per tray in the atmospheric distillation column is about __________ psi. 0.5 - 1.0 0.07 - 0.12 43833 0.01 - 0.5 0.5 - 1.0 0.07 - 0.12 43833 0.01 - 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower? Size, shape, orientation and surface of the packing particles Density and viscosity of fluids All of these Fluid flow rates Size, shape, orientation and surface of the packing particles Density and viscosity of fluids All of these Fluid flow rates ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section. More than Either more or less (depending upon relative volatility) Less than Same as More than Either more or less (depending upon relative volatility) Less than Same as ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
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