A. Cooling and lubricating compressor components
B. Improve the purity of compressed air
C. Reduce equipment noise
D. Increase equipment life
Answer: A
Analysis: The lubricating oil system of the oil-injected air compressor cools and lubricates the compressor components by injecting lubricating oil into the compression chamber.
Answer: It uses water as a lubricant, achieving oil-free operation.
A. Portable air compressor B. Industrial air compressor C. Medical air compressor D. Mine air compressor Answer: A. portable air compressor
A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: A Analysis: Oil injection air compressors have low initial investment and are suitable for companies with limited budgets.
A. Compressed air pure B. Low manufacturing cost C. Simple maintenance D. Low energy consumption Answer: A Analysis: The main reason why the food production industry chooses oil-free air compressors is that its compressed air is pure and meets the hygiene requirements of food production…
A. Poor after-sales service B. The after-sales service network is underdeveloped C. Provide comprehensive after-sales service D. After-sales service is limited to large cities Answer: C. Provide comprehensive after-sales service