Process Equipment and Plant Design Height of the flights in the rotary drier is in the range of 0.2 to 0.5 d 0.5 to 0.6 d 0.08 to 0.12 d 0.02 to 0.05 d 0.2 to 0.5 d 0.5 to 0.6 d 0.08 to 0.12 d 0.02 to 0.05 d 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 = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 1.66 - 0.25 log μ Η = 24.6 (Δp/μ) Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. High specific heat Low corrosiveness Low viscosity Low dirt factor High specific heat Low corrosiveness Low viscosity Low dirt factor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ dished head is the strongest of all. None of these Hemispherical Torispherical Elliptical None of these Hemispherical Torispherical Elliptical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
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