Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 18 6 34 24 18 6 34 24 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a bag filter, the pressure drop increases directly as the Viscosity of the gas and inversely as density of the gas Density of the gas and inversely as viscosity of the gas Density of the gas, but is independent of the viscosity of the gas None of these Viscosity of the gas and inversely as density of the gas Density of the gas and inversely as viscosity of the gas Density of the gas, but is independent of the viscosity of the gas None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.85 0.95 0.55 0.75 0.85 0.95 0.55 0.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings Lessig rings All of these Cross-partition rings Raschig rings Lessig rings All of these Cross-partition rings 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 = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. ?1 >2.5 >3.5 ?2 ?1 >2.5 >3.5 ?2 ANSWER DOWNLOAD EXAMIANS APP