Class 4 (4th Engineer) MEP 📅 Nov 2023

Exam Question

(a) Describe shell and tube type heat exchanger and its function with the aid of a diagrammatic sketch, naming each part. (8)

(b) Describe the physical cleaning procedure of cleaning tubes. (4)

Reference Answer

### (a) Shell and Tube Type Heat Exchanger
#### Function
The primary function of a shell and tube heat exchanger is to facilitate the transfer of thermal energy (heat) from one fluid to another without allowing them to come into direct contact. This process is essential for controlling the operating temperatures of various shipboard machinery and systems. Common applications include:
* **Coolers**: Lube Oil Coolers, Jacket Water Coolers, Piston Coolers, Air Compressor Coolers.

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