Mass Transfer Quiz 9
1 / 50
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be_____?
2 / 50
Prandtl number for water at 20?C is about _________?
3 / 50
Raoult?s law applies to the_____?
4 / 50
Solvent used in extractive distillation___________?
5 / 50
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the _________ of a fibre ?
6 / 50
Schmidt number is given by _____?
7 / 50
Schmidt number and Lewis number for pure air at atmospheric conditions are respectively___________?
8 / 50
Sodium bicarbonate is produced during soda ash manufacture using a ________ tower?
9 / 50
Pick out the wrong statement?
10 / 50
Rate of leaching increases with increasing________?
11 / 50
Small dia distillation column can be a ___________?
12 / 50
Positive deviation from Raoult?s law means a mixture whose total pressure is_____?
13 / 50
Priming in a distillation column__________?
14 / 50
Raoult?s law is applicable to the_______?
15 / 50
Pore size of the molecular sieve 5A is ______ mm ?
16 / 50
Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the______?
17 / 50
Powdery materials can be guarded against caking tendency on storage by_____?
18 / 50
Radioactive nuclear waste is treated in______?
19 / 50
Separation of two volatile liquids by distillation makes use of their__________?
20 / 50
Reverse osmosis is also called__________?
21 / 50
Separation of two volatile liquids by distillation makes use of their_____?
22 / 50
Plate efficiency in a distillation column is reduced due to the _______ of liquid?
23 / 50
Relative volatility varies with the concentration of component for an ideal solution. The relative volatility of a binary mixture may be defined as the ratio of vapor pressure of component ?A? to that of component ?B?, when__________?
24 / 50
Relative humidity is the ratio of the________?
25 / 50
Rose oil is extracted from rose leaves using _____ distillation?
26 / 50
Selectivity of the solvent used in solvent extraction should be)__________?
27 / 50
Raoult?s law does not apply, when the_____?
28 / 50
Powdery materials can be guarded against caking tendency on storage by__________?
29 / 50
Rayleigh?s equation applies to __________ distillation?
30 / 50
31 / 50
Reboiler is considered as one theoretical plate, because_______?
32 / 50
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their______?
33 / 50
Ponchon-Savarit method analyses the fractional equipment based on_____?
34 / 50
Rotary dryers cannot handle ________ materials ?
35 / 50
Rayleigh?s equation applies to _________ distillation?
36 / 50
Relative volatility does not change appreciably with the change in_______?
37 / 50
Separation of two or more components of a liquid solution cannot be achieved by_____?
38 / 50
Refractory bricks are usually dried in a _________ dryer?
39 / 50
Plate efficiency_________?
40 / 50
Raschig ring made of porcelain cannot be used for treating concentrated_____?
41 / 50
Rayleigh equation applies to __________ distillation ?
42 / 50
Sand is dried in foundries in a ________drier?
43 / 50
Smoke is an example of _____?
44 / 50
Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when______?
45 / 50
Solvent used in extractive distillation_____?
46 / 50
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation ?
47 / 50
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ________?
48 / 50
Removal of _______ exemplifies an adsorption unit operation?
49 / 50
Separation of the isotopes of helium for scientific investigations is done by_______?
50 / 50
Plate efficiency in a distillation column is reduced due to the ________ of liquid?
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