Explore topic-wise MCQs in Mass Transfer.

This section includes 4 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 mass flow rate of a component in a mixture in X-direction is 2kg/s. The area vector at a particular cross-section is (1.1, 3.2, 5.4) cm2. Calculate the value of flux (kg/cm2.s) through the cross-section.

A. 0.31
B. 2.2
C. 1.82
D. 6.45
Answer» D. 6.45
2.

Under which of the following conditions mass average velocity and molar average velocity are equal?

A. In a very dilute solution
B. If molecular weights of all the species are equal
C. Always different
D. In dilute solutions as well as in solutions in which all components have same molecular weights
Answer» E.
3.

In the previous question what will be the value of flux (mol/m2.s) with respect to a stationary observer?

A. 0.015
B. 15
C. 1.015
D. 1015
Answer» C. 1.015
4.

In a gas mixture if molecular weights of all the species are equal than which one will be more, Mass average velocity or Molar average velocity?

A. Mass average velocity
B. Molar average velocity
C. Both will have the same value
D. Nothing definite can be said
Answer» D. Nothing definite can be said