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Class 4 (4th Engineer) MEKG 📅 Jul 2022

Exam Question

(a) Describe the constructional features of plate type fresh water generator and its operational procedures for fresh water generation; (6)

(b) State the temperatures and pressures at salient points. (4)

(c) State some of the advantages and limitations that exist in using a plate type heat exchanger. (6)

Reference Answer

### (a) Constructional Features and Operational Procedures
#### Constructional Features
A plate type freshwater generator (PFWG) is a compact and efficient vacuum distillation unit. It is constructed from a pack of thin, corrugated metal plates, typically made of titanium, compressed within a frame. The key components are:
1. **Plate Pack:** This is the core of the unit, consisting of numerous thin plates.

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