Class 4 (4th Engineer) MEKG 📅 Dec 2024

Exam Question

(a) Describe the functional components of a reefer plant for the domestic refrigeration system and temperatures to be maintained in different cold rooms (8)

(b) In reference to a domestic refrigeration system, briefly describe the following: (8)

(i) Pressure switches

(ii) Tubular heat exchangers

(iii) Oil separators

(iv) Drier system

Reference Answer

### (a) Functional Components of a Reefer Plant and Room Temperatures
A ship's domestic refrigeration plant operates on the vapor-compression refrigeration cycle to maintain specified low temperatures for the preservation of provisions. The system is crucial for the health and well-being of the crew.
#### 1. Functional Components
The primary functional components of the system are as follows:

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