Explore topic-wise MCQs in Mass Transfer.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Mass Transfer knowledge and support exam preparation. Choose a topic below to get started.

1.

The moisture inside the substance is known as __________

A. Bound moisture
B. Unbound moisture
C. Equilibrium moisture
D. Free moisture
Answer» B. Unbound moisture
2.

Find the process of drying in the closed vessel given below.

A. Continuous
B. Batch
C. Semi batch
D. None of the mentioned
Answer» C. Semi batch
3.

The hysteresis of drying is due to humidification and dehumidification.

A. True
B. False
Answer» C.
4.

Find the equilibrium moisture content.

A. 0.2
B. 0.42
C. 0.5
D. None of the mentioned
Answer» E.
5.

The moisture in the solid after attaining equilibrium is known as

A. Bound moisture
B. Unbound moisture
C. Equilibrium moisture
D. Free moisture
Answer» D. Free moisture
6.

The given solid will gain or remove moisture till.

A. pA > P
B. pA< P
C. pA= p
D. pA= 0
Answer» D. pA= 0
7.

Find the representation X.

A. Water
B. Water vapour
C. Ice
D. All of the mentioned
Answer» C. Ice
8.

The_hysteresis_of_drying_is_due_to_humidification_and_dehumidification.$

A. True
B. False
Answer» C.
9.

Find the moisture content in wet basis is the weight of the dry solid is 3 kg and the weight of the moisture is 2 kg.

A. 0.2
B. 0.3
C. 0.35
D. 0.4
Answer» E.
10.

Find the moisture content in dry basis if the weight of dry solid is 5 kg and the moisture is 2 kg.

A. 0.2
B. 0.3
C. 0.4
D. 0.5
Answer» D. 0.5
11.

Find the weight of the wet solid if dry solid is 2 kg and the moisture is 0.5 kg.

A. 2 kg
B. 2.5kg
C. 3 kg
D. 3.5 kg
Answer» C. 3 kg
12.

The_moisture_inside_the_substance_is_known_as___________

A. Bound moisture
B. Unbound moisture
C. Equilibrium moisture
D. Free moisture
Answer» B. Unbound moisture
13.

The moisture in the solid after attaining equilibrium is known a?

A. Bound moisture
B. Unbound moisture
C. Equilibrium moisture
D. Free moisture
Answer» D. Free moisture
14.

The additional operation requires for drying gas and liquid is _________

A. Absorption
B. Adsorption
C. Humidification
D. De-humidification
Answer» B. Adsorption
15.

The removal of acetone from acetone-benzene mixture is drying

A. True
B. False
Answer» C.
16.

On spraying the liquid over gas leads to ____________

A. Humidification
B. Evaporation
C. Heating of gas
D. None of the mentioned
Answer» C. Heating of gas
17.

The solution can be dried by spraying droplets in a cold gas.

A. True
B. False
Answer» C.
18.

Moisture removal from a material/ compound is known as drying.

A. True
B. False
Answer» B. False