Mass Transfer Mock Test 4

10%

Question 1 of 10

1. No further process required for _____________

Extraction

Absorption

All of the mentioned

Distillation

Question 1 of 10

Question 2 of 10

2. Have a look on the below diagram

Here, DE and DP are the operating line. Also Y and X are the concentrations in mole ratio for gas and liquid phase.
It’s clearly a representation of an absorber. For the operating line DE minimum liquid is required

True

False

Question 2 of 10

Question 3 of 10

3. Absorption factor increases equipment cost decreases

True

False

Question 3 of 10

Question 4 of 10

4. Packed towers are _____________

Absorption tower

All of the mentioned

Stripper

Absorber or Stripper

Question 4 of 10

Question 5 of 10

5. Given for an absorber, the minimum non diffusing liquid flow rate is 20 moles/hr and the non diffusing gas flow rate is 30 moles/hr. As the actual liquid flow rate is 2.5 times the minimum. Find the slope of the operating line.

2.67

4.25

3.75

1.67

Question 5 of 10

Question 6 of 10

6. Partial pressure equals vapour pressure if it is___________

Saturated

Unsaturated

Isothermal

None of the mentioned

Question 6 of 10

Question 7 of 10

7. The equilibrium characteristics of the solubility of a gas in liquid helps to determine the

Rate

Time

No existence of equilibrium characteristics

Concentration

Question 7 of 10

Question 8 of 10

8. Mass absolute humidity is

All of the mentioned

Grosvenor humidity

Relative humidity

Absolute humidity

Question 8 of 10

Question 9 of 10

9. Match the following
1) Hendry’s law - a)Ideal solution
2) Dalton’s law - b)Non- Ideal solution
3) Raoult’s law -c)Sum of partial pressure

1- (b), 2-(c),3-(a)

1-(c),2-(b),3-(a)

1-(a),2-(b),3-(c)

1-(a),2-(c),3-(b)

Question 9 of 10

Question 10 of 10

10. According to Hendry’s law,

p=(Y/P)

p=(Y*P)

Y=(p/P)

Y=(p* P)

Question 10 of 10