Explore topic-wise MCQs in Heat Transfer Operations Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Active particles which are quite large sternly repel the emulsion phase and hence the mass transfer rate augments with the ________ of the inert bed material size and _________ with increase of its active particle’s diameter.

A. Increase, Decrease
B. Increase, Increase
C. Decrease, Increase
D. Decrease, Decrease
Answer» B. Increase, Increase
Discussion
2.

Gas to particle heat transfer coefficients can be calculated by the equation given below, which one is correct for Re/ϵ < 200.

A. Nu=1.6×10-2 \((\frac{Re}{\in})^{1.3}\) Pr0.33
B. Nu=1.6×10-2 \((\frac{Re}{\in})^{1.3} Pr^\frac{2}{3}\)
C. Nu=1.6×10-2 \((\frac{Re}{\in})^\frac{2}{3}\) Pr0.33
D. Nu=0.4 \((\frac{Re}{\in})^\frac{2}{3}\) Pr0.33
Answer» B. Nu=1.6×10-2 \((\frac{Re}{\in})^{1.3} Pr^\frac{2}{3}\)
Discussion