Question 120Refrigeration/AC - QMED70% to pass
Unusual noise coming from a refrigeration compressor can be caused by which of the following conditions?
AI Explanation
The correct answer is D) all of the above.
An unusual noise coming from a refrigeration compressor can be caused by several conditions, including:
A) Worn bearings and piston pins - This can lead to increased friction and vibration, resulting in unusual noises.
B) Slugging due to flooding back - This occurs when liquid refrigerant enters the compressor, causing a hydraulic shock and unusual noises.
C) Too much oil in circulation - Excess oil can interfere with proper lubrication, leading to increased wear and noises.
All of these conditions can contribute to unusual noises from a refrigeration compressor, making D) all of the above the correct answer.
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