Class 4 (4th Engineer) MEKG 📅 Feb 2024

Exam Question

(a) Name the safety devices fitted on 2 stage air compressors on ships. Expiain their functional purpose as well as location of fitment, using a schematic diagram. (12)

(b) State the maintenance and checks carried out periodically in order to keep them efficient. (4)

Reference Answer

### **Part (a): Safety Devices on 2-Stage Air Compressors**
A 2-stage reciprocating air compressor is a critical piece of machinery, and its operation at high pressures and temperatures necessitates a comprehensive suite of safety devices to protect the equipment, the vessel, and personnel. The following devices are fitted, each with a specific function and location.
**(Source: The following list is based on the provided RAG context.)**
1. **Relief Valves**

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