Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.4-0.9 0.2-0.5 0.1-0.2 1.2-1.5 0.4-0.9 0.2-0.5 0.1-0.2 1.2-1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A rivetted joint does not fail by __________ of rivets. Shearing Tearing of the plate across a row None of these Tearing Shearing Tearing of the plate across a row None of these Tearing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical storage vessels are never supported by __________ support. Saddle Lug Skirt Bracket Saddle Lug Skirt Bracket ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required None of these Overall gas transfer units to the number of ideal trays required Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. 3 to 12.5 12.5 to 18.5 L to 3 4 to 8 3 to 12.5 12.5 to 18.5 L to 3 4 to 8 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 = 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) Η = 17 - 61.1 log μ Η = 0.25 log μ - 1.67 ANSWER DOWNLOAD EXAMIANS APP
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