A. Distillation column
B. Evaporator
C. Dryer
D. Crystalliser
Related Mcqs:
- Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) ?
A. log P vs. T
B. log P vs. log T
C. T vs. P
D. P vs. log T - Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity?
A. Molal
B. Relative
C. Percentage
D. None of these - Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity?
A. Molal
B. Relative
C. Percentage
D. None of these - Absorption accompanied with chemical reaction is exemplified by the absorption of___________________?
A. Ammonia in water
B. Benzol present in coke oven gas by wash oil
C. SO2 in alkaline solution
D. All A., B. and C. - Which of the following is not fixed by the process requirements, in the design of absorbers ?
A. Flow rate of the entering gas
B. Composition of the entering liquid
C. Terminal concentrations of gas stream
D. None of these - Design calculation for multiple component distillation is done by_________________?
A. Ponchon-Savarit method
B. McCabe-Thiele method
C. Enthalpy concentration method
D. Tray to tray calculations - With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency____________________?
A. Increases
B. Decreases
C. Remain same
D. May increase or decrease; depends on individual design - Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are ?
A. 4
B. 8
C. 9
D. 10 - Which of the following quantities need not be fixed before starting the design of a cocurrent absorber ?
A. Heat gain or loss
B. Flow rate of entering liquid
C. Flow rate of gas
D. None of these - ______________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids ?
A. Wetted wall
B. Packed
C. Plate
D. Spray
