Mass Transfer Quiz 9
1 / 50
Selectivity of the solvent used in solvent extraction should be)__________?
2 / 50
Powdery materials can be guarded against caking tendency on storage by__________?
3 / 50
Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when______?
4 / 50
Raschig ring made of porcelain cannot be used for treating concentrated_____?
5 / 50
Pore size of the molecular sieve 5A is ______ mm ?
6 / 50
Raoult?s law is applicable to the_______?
7 / 50
Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the______?
8 / 50
Ponchon-Savarit method analyses the fractional equipment based on_____?
9 / 50
Reverse osmosis is also called__________?
10 / 50
Separation of two or more components of a liquid solution cannot be achieved by_____?
11 / 50
Rate of leaching increases with increasing________?
12 / 50
Rose oil is extracted from rose leaves using _____ distillation?
13 / 50
Schmidt number is given by _____?
14 / 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 ?
15 / 50
Raoult?s law applies to the_____?
16 / 50
Plate efficiency_________?
17 / 50
Prandtl number for water at 20?C is about _________?
18 / 50
Schmidt number and Lewis number for pure air at atmospheric conditions are respectively___________?
19 / 50
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their______?
20 / 50
Plate efficiency in a distillation column is reduced due to the _______ of liquid?
21 / 50
Rayleigh?s equation applies to __________ distillation?
22 / 50
Plate efficiency in a distillation column is reduced due to the ________ of liquid?
23 / 50
Small dia distillation column can be a ___________?
24 / 50
Rotary dryers cannot handle ________ materials ?
25 / 50
Positive deviation from Raoult?s law means a mixture whose total pressure is_____?
26 / 50
Raoult?s law does not apply, when the_____?
27 / 50
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ________?
28 / 50
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be_____?
29 / 50
Pick out the wrong statement?
30 / 50
Sodium bicarbonate is produced during soda ash manufacture using a ________ tower?
31 / 50
Solvent used in extractive distillation___________?
32 / 50
Rayleigh?s equation applies to _________ distillation?
33 / 50
34 / 50
Relative volatility does not change appreciably with the change in_______?
35 / 50
Separation of the isotopes of helium for scientific investigations is done by_______?
36 / 50
Powdery materials can be guarded against caking tendency on storage by_____?
37 / 50
Removal of _______ exemplifies an adsorption unit operation?
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
Smoke is an example of _____?
40 / 50
Separation of two volatile liquids by distillation makes use of their_____?
41 / 50
Priming in a distillation column__________?
42 / 50
Solvent used in extractive distillation_____?
43 / 50
Refractory bricks are usually dried in a _________ dryer?
44 / 50
Rayleigh equation applies to __________ distillation ?
45 / 50
Radioactive nuclear waste is treated in______?
46 / 50
Relative humidity is the ratio of the________?
47 / 50
Sand is dried in foundries in a ________drier?
48 / 50
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the _________ of a fibre ?
49 / 50
Reboiler is considered as one theoretical plate, because_______?
50 / 50
Separation of two volatile liquids by distillation makes use of their__________?
Provide Your Information
Your score is
The average score is 0%
Restart quiz
