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