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