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