Process Equipment and Plant Design What is the slope of the operating line in the stripping section of a distillation column? > 1 ? < 1 > 1 ? < 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ shapedroof is the most commonly used roof for cylinderical storage tanks. Umbrella Dome Conical Flat Umbrella Dome Conical Flat ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to Avoid back-trapping Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation None of these Avoid back-trapping Drain the liquid from the tray when the unit is not in operation Allow for thermal expansion and facilitate installation None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 16/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 25/NRe f = 16/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 25/NRe 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 = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) 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 Sensible heat differences are small, because the temperature changes from tray to tray is small Trouton's rule is applicable Liquid/vapor loading across the column remains constant All of these Sensible heat differences are small, because the temperature changes from tray to tray is small Trouton's rule is applicable Liquid/vapor loading across the column remains constant All of these ANSWER DOWNLOAD EXAMIANS APP