Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty?

Related MCQs

• Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?
• Which of the following provides maximum contact surface for a liquid-vapour system?
• Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.
• A solid is being dried in the linear drying rate regime from moisture content Xo to XF. The drying rate is zero at X = 0 and the critical moisture content is the same as the initial moisture Xo. The drying time for M = (Ls /ARc) is (where, L = total mass of dry solid, A = total surface area for drying Rc = Constant maximum drying rate per unit area X = moisture content (in mass of water/mass of dry solids))
• The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same system is.
• In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL) as
• Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.
• For contacting a highly soluble gas with a liquid
• During constant rate drying period, vaporisation rate per unit drying surface area
• In extraction, as the temperature increases, the area of heterogeneity (area covered by binodal curve)