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