A. Truck drier
B. Agitated pan drier
C. Fluidised bed drier
D. Vacuum shelf drier
Correct Answer: Fluidised bed drier ✔
Last Updated: February 16, 2019
Related MCQs
- The reflux to a distillation column is 100 moles/hr, when the overhead product rate is 50 moles/hr. The reflux ratio is__________?
- Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature ?
- With increase in temperature, the rate of leaching increases, because the__________?
- Leaching rate is independent of the__________?
- Sodium bicarbonate is produced during soda ash manufacture using a __________ tower?
- The cooling effect in a cooling tower cannot be increased by__________?
- For a single component absorber, the operating line is straight only when plotted in term of __________ units?
- Dimension of mass diffusivity is the same as that of__________?
- The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp= M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force) ?
- The temperature of water cooled in cooling tower is always __________ temperature of entering air?
- Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant__________?
- With the lowering of equilibrium pressure, at a given temperature, the amount of adsorbate on the adsorbent__________?
- In liquid extraction, if the selectivity is unity, then__________?
- Mass transfer co-efficient is directly proportional to DAB according to the __________ theory?
- __________ extractor uses centrifugal force for separating the two phases?
- The operating cost of a distillation column at minimum reflux ratio is__________?
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- With increase in temperature, the mutual solubility of two liquids__________?
- The diffusivity D. in a binary gas mixture is related to the pressure (P) as__________?
- Dorr thickener is an equipment used for__________?
- Can the efficiency of a plate in the distillation tower be greater than 100% ?
- Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in__________?
- Reverse osmosis is also called__________?
- Laboratory determination of the diffusivity of vapor is done by __________ method?
- Paper industry employs __________ driers?
- Use of packed towers for distillation is generally limited to the__________?
- __________ extractor is used for the concentration of radioactive nuclear waste?
- Removal of __________ exemplifies an adsorption unit operation?
- The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an __________?
- Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature?
- In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of__________?
- In case of unsaturated air__________?
- The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?
- Minimum reflux ratio in a distillation column results in__________?
- Steady state equimolal counter diffusion is encountered in__________?
- Experimental determination of __________ is done by wetted wall column method?
- Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a __________ column?
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- High pressure at the bottom of a distillation tower handling heat sensitive materials results in __________?
- Which of the following is an undesirable property in a tower packing ?
- Which of the following is directly concerned with Psychrometry ?
- At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes__________?
- Ammonia present in the coke oven gas is removed by washing with__________?
- For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement?
- Lewis number (Le) is__________?
- Most important factor to be considered in the selection of packings for absorbers is the __________ of packing?
- To get high tray efficiency__________?
- In a gas-liquid absorption column, for obtaining the maximum absorption efficiency__________?
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