Exam Question
(a) How Leaks are detected and rectified on refrigerating plant? (4)
(b) Describe how Suction & Discharge valve are tested for tightness? (4)
(c) Describe how refrigerant charging is carried out? (8)
Class 4 (4th Engineer)
MEP
📅 May 2023
Reference Answer
### (a) Leak Detection and Rectification in Refrigerating Plants
**1. Leak Detection Methods:**
Leaks of refrigerant must be detected promptly to prevent loss of cooling capacity, damage to the compressor, and environmental pollution. The primary methods are:
* **Electronic Leak Detector:** This is the most sensitive and commonly used method.
**1. Leak Detection Methods:**
Leaks of refrigerant must be detected promptly to prevent loss of cooling capacity, damage to the compressor, and environmental pollution. The primary methods are:
* **Electronic Leak Detector:** This is the most sensitive and commonly used method.
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