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.

If Qs is heat supplied by the steam and Qf is the heat evolved in the feed, then the overall heat transfer coefficient can be represented as? Here AF = Area of film and AW = Area of wall.

A. U = Qf/AW ΔT
B. U = Qs/AF ΔT
C. U = (Qs – Qf)/AW ΔT
D. U = (Qs – Qf)/AF ΔT
Answer» B. U = Qs/AF ΔT
Discussion
2.

In the given equation, what do you understand by the enthalpy balance, which element is it applied for?

A. \(\dot{q}_l=(\dot{m}_{fl} – \dot{m}_{cl})h_v-\dot{m}_{fl}h_{fl} + \dot{m}_{cl}h_{cl}\)
B. Feed
C. Steam
D. Vapour
E. Evaporator wall
Answer» B. Feed
Discussion