A. Produce lubricating oil B. No lubricating oil C. Need to replace lubricating oil frequently D. High noise answer: B. No production of lubricating oil
A. Small market share B. Few product types C. Insufficient technological innovation D. Large market share and rich product categories Answer: D. Large market share and rich product variety
A. Lower B. Higher C. Same as oilless air compressor D. The answer cannot be determined: B Analysis: The lubricating oil from the oil-injected air compressor will be partially mixed into the compressed air, resulting in a high oil content in the compressed air.
A. Dust content B. Oil content C. Dew point temperature D. Pressure fluctuations Answer: B Analysis: Oil mist emissions violate environmental regulations, and environmentally friendly oil-free air compressors combined with environmental management system certification can ensure compliance.
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…