Mass Transfer Quiz 9
1 / 50
Separation of the isotopes of helium for scientific investigations is done by_______?
2 / 50
Relative volatility does not change appreciably with the change in_______?
3 / 50
Plate efficiency_________?
4 / 50
Powdery materials can be guarded against caking tendency on storage by_____?
5 / 50
Relative humidity is the ratio of the________?
6 / 50
Plate efficiency in a distillation column is reduced due to the _______ of liquid?
7 / 50
Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the______?
8 / 50
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their______?
9 / 50
Priming in a distillation column__________?
10 / 50
Prandtl number for water at 20?C is about _________?
11 / 50
Reboiler is considered as one theoretical plate, because_______?
12 / 50
Schmidt number and Lewis number for pure air at atmospheric conditions are respectively___________?
13 / 50
Powdery materials can be guarded against caking tendency on storage by__________?
14 / 50
Plate efficiency in a distillation column is reduced due to the ________ of liquid?
15 / 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 ?
16 / 50
Pick out the wrong statement?
17 / 50
Refractory bricks are usually dried in a _________ dryer?
18 / 50
Separation of two volatile liquids by distillation makes use of their__________?
19 / 50
Radioactive nuclear waste is treated in______?
20 / 50
Sodium bicarbonate is produced during soda ash manufacture using a ________ tower?
21 / 50
Raoult?s law applies to the_____?
22 / 50
Rate of leaching increases with increasing________?
23 / 50
Rotary dryers cannot handle ________ materials ?
24 / 50
Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when______?
25 / 50
Sand is dried in foundries in a ________drier?
26 / 50
Selectivity of the solvent used in solvent extraction should be)__________?
27 / 50
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ________?
28 / 50
Rayleigh?s equation applies to __________ distillation?
29 / 50
Rose oil is extracted from rose leaves using _____ distillation?
30 / 50
Rayleigh equation applies to __________ distillation ?
31 / 50
Solvent used in extractive distillation_____?
32 / 50
Solvent used in extractive distillation___________?
33 / 50
Separation of two volatile liquids by distillation makes use of their_____?
34 / 50
Positive deviation from Raoult?s law means a mixture whose total pressure is_____?
35 / 50
Ponchon-Savarit method analyses the fractional equipment based on_____?
36 / 50
Rayleigh?s equation applies to _________ distillation?
37 / 50
Small dia distillation column can be a ___________?
38 / 50
Reverse osmosis is also called__________?
39 / 50
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the _________ of a fibre ?
40 / 50
Smoke is an example of _____?
41 / 50
Removal of _______ exemplifies an adsorption unit operation?
42 / 50
Raoult?s law does not apply, when the_____?
43 / 50
44 / 50
Separation of two or more components of a liquid solution cannot be achieved by_____?
45 / 50
Raoult?s law is applicable to the_______?
46 / 50
Pore size of the molecular sieve 5A is ______ mm ?
47 / 50
Raschig ring made of porcelain cannot be used for treating concentrated_____?
48 / 50
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be_____?
49 / 50
Schmidt number is given by _____?
50 / 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__________?
Provide Your Information
Your score is
The average score is 0%
Restart quiz
