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