Answer: Regular replacement of water filters, air filters, and other consumables is required, as well as inspection of the cooling system, lubrication system, and other components.
What is the usual manufacturing cost of oil-injected air compressors? A. Higher B. Lower C. Same as oilless air compressor D. The answer cannot be determined: B Analysis: The manufacturing cost of oil-injected air compressors is usually low, and the initial investment is small, so it is suitable for…
Answer: It uses water as the lubricant, eliminating the need for oil and reducing the risk of contamination.
A. Price and brand B. Performance, price and brand C. Appearance and color D. Production date and transportation method Answer: B. Performance, price and brand
A. Adopt noise reduction design B. Increase noise C. Reduce power D. Reduce maintenance Answer: A. Designed for noise reduction
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors do not need to replace lubricants and oil filters, so the maintenance cost is low.