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