Test: Mass Transfer - 6


25 Questions MCQ Test Mass Transfer | Test: Mass Transfer - 6


Description
This mock test of Test: Mass Transfer - 6 for Chemical Engineering helps you for every Chemical Engineering entrance exam. This contains 25 Multiple Choice Questions for Chemical Engineering Test: Mass Transfer - 6 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Mass Transfer - 6 quiz give you a good mix of easy questions and tough questions. Chemical Engineering students definitely take this Test: Mass Transfer - 6 exercise for a better result in the exam. You can find other Test: Mass Transfer - 6 extra questions, long questions & short questions for Chemical Engineering on EduRev as well by searching above.
QUESTION: 1

At equilibrium the concentration of water in vapour phase (C*)in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room of air space 100m3 containing 2.2 kg of water vapour initially, 10 kg of dry silica gel is kept in the room. The fraction of initial water remaining in the air space after a long time (during which the temperature is maintained constant) is

Solution:
QUESTION: 2

Dry bulb temperature of unsaturated air is more than its __________ temperature.

Solution:
QUESTION: 3

For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of h2/ky.Cz is around

Solution:
QUESTION: 4

The reciprocal of stripping factor is termed as

Solution:
QUESTION: 5

Ponchan-Savarit method analyses the fractional equipment based on

Solution:
QUESTION: 6

The binary diffusivity in gases at atmospheric conditions is about

Solution:
QUESTION: 7

Percentage saturation is __________ the relative saturation.

Solution:
QUESTION: 8

In case of a desorber (stripper), the

Solution:
QUESTION: 9

What is the reflux ratio at total reflux ?

Solution:
QUESTION: 10

Under conditions of flooding in packed tower, the gas pressure drop

Solution:
QUESTION: 11

For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns).

Solution:
QUESTION: 12

For absorbing a sparingly soluble gas in a liquid

Solution:
QUESTION: 13

The minimum number of theoretical plates is required for achieving a given separation in distillation column with

Solution:
QUESTION: 14

Channelling in a packed tower results from the

Solution:
QUESTION: 15

The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

Solution:
QUESTION: 16

A good solvent used for absorption should not have very high

Solution:
QUESTION: 17

In a counter-current liquid extractor

Solution:
QUESTION: 18

Which of the following is an undesirable property for an absorbing solvent ?

Solution:
QUESTION: 19

The wetted wall tower is used to determine

Solution:
QUESTION: 20

 For a ternary mixture, the number of cuts required is_________

Solution:

The first two high volatile components are stored in two cuts and the low volatile remains in the still itself.

QUESTION: 21

With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent

Solution:
QUESTION: 22

Schmidt number is given by

Solution:
QUESTION: 23

Positive deviation from Raoult's law means a mixture whose total pressure is

Solution:
QUESTION: 24

The caking of crystals can be prevented by

Solution:
QUESTION: 25

Prandtl number for water at 20oC is about

Solution:

Similar Content

Related tests