Process Equipment and Plant Design __________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids. Bubble cap plate Packed Sieve plate None of these Bubble cap plate Packed Sieve plate None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Equal to Half Twice Four times Equal to Half Twice Four times 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 = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ Η = 0.25 log μ - 1.67 Η = 17 - 61.1 log μ Η = 24.6 (Δp/μ) Η = 1.66 - 0.25 log μ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Plug flow Laminar flow Eddy diffusivity = 0 Complete back mixing Plug flow Laminar flow Eddy diffusivity = 0 Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Preferably flow inside the tube for its easier internal cleaning Flow at a very slow velocity Perferably flow outside the tube Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Preferably flow inside the tube for its easier internal cleaning Flow at a very slow velocity Perferably flow outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the Trouton's rule is applicable Liquid/vapor loading across the column remains constant All of these Sensible heat differences are small, because the temperature changes from tray to tray is small Trouton's rule is applicable Liquid/vapor loading across the column remains constant All of these Sensible heat differences are small, because the temperature changes from tray to tray is small ANSWER DOWNLOAD EXAMIANS APP