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