Process Equipment and Plant Design What is the slope of the operating line in the rectifying section of a distillation coloumn? ∞ > 1 ∞ > 1 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 = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 Η = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 Η = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An underdesigned steam trap will Back up condensate and cause water hammer in steam line None of these Waste steam Destroy itself of acceleration wear due to rapid recycling Back up condensate and cause water hammer in steam line None of these Waste steam Destroy itself of acceleration wear due to rapid recycling ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.25 3.5 1.75 2.5 1.25 3.5 1.75 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a U-bend Floating head tube sheet Neither A nor B Either A or B U-bend Floating head tube sheet Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design for couplings and unions would be 200 Negligible 60 350 200 Negligible 60 350 ANSWER DOWNLOAD EXAMIANS APP
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