MCQOPTIONS
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MCQOPTIONS
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 | |
| 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 | |