Class 2 (2nd Engineer) MEKG 📅 Dec 2022

Exam Question

(a) Draw a block diagram for a fully automated accommodation air conditioning unit, labelling the component parts, and indicating the directions of air flow

(b) Explain why the unit includes means of dehumidification and humidification.

(c) A chart is used for ensuring that the accommodation conditions are within the so-called Comfort Zone what useful information does the chart give?

Reference Answer

### (a) Block Diagram for a Fully Automated Accommodation Air Conditioning Unit
A fully automated air conditioning unit for ship's accommodation is designed to maintain the internal environment within a pre-defined 'Comfort Zone' regardless of external ambient conditions. The system automatically controls temperature, humidity, and air purity.
**Component Parts and Air Flow:**
1. **Air Intake & Mixing Chamber:**

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