Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 35 20 55 5 35 20 55 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Remains same Increases May increase or decrease depending upon the plate spacing Decreases Remains same Increases May increase or decrease depending upon the plate spacing Decreases ANSWER DOWNLOAD EXAMIANS APP
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 = 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 Η = 24.6 (Δp/μ) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is All of these Same as bracket support The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels All of these Same as bracket support The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ strain is measured using a 'strain rosetter'. None of these Shear Volumetric Linear None of these Shear Volumetric Linear ANSWER DOWNLOAD EXAMIANS APP
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