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.

A binary mixture of oxygen and nitrogen with partial pressures in the ratio 0.21 and 0.79 is contained in a vessel at 300 K. If the total pressure of the mixture is 1 * 10 5 N/m2, find the average molecular weight of the mixture

A. 28.84
B. 29.84
C. 30.84
D. 31.84
Answer» B. 29.84
Discussion
2.

A binary mixture of oxygen and nitrogen with partial pressures in the ratio 0.21 and 0.79 is contained in a vessel at 300 K. If the total pressure of the mixture is 1 * 10 5 N/m2, find mass fraction of oxygen

A. 0.133
B. 0.233
C. 0.333
D. 0.433
Answer» C. 0.333
Discussion
3.

A binary mixture of oxygen and nitrogen with partial pressures in the ratio 0.21 and 0.79 is contained in a vessel at 300 K. If the total pressure of the mixture is 1 * 10 5 N/m2, find molar fraction of nitrogen

A. 0.79
B. 0.21
C. 0.23
D. 0.13
Answer» B. 0.21
Discussion
4.

For a binary mixture of species A and B, the molar average velocity is defined as

A. n <sub>a</sub> V <sub>a</sub> + n <sub>b</sub> V <sub>b</sub>
B. n <sub>a</sub> V <sub>a</sub> + n <sub>b</sub> V <sub>b</sub>/n
C. n <sub>a</sub> V <sub>a</sub> + n <sub>b</sub> V <sub>b</sub>/2 n
D. n <sub>a</sub> V <sub>a</sub> + 2 n <sub>b</sub> V <sub>b</sub>/n
Answer» C. n <sub>a</sub> V <sub>a</sub> + n <sub>b</sub> V <sub>b</sub>/2 n
Discussion