A. Pure compressed air
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. Traditional models are more stable B. Environmentally friendly models are more stable C. Both have the same stability. Unable to compare the answer: B Analysis: Environmentally friendly oil-free air compressor adopts adsorption drying technology, and its dew point stability is-20℃±2℃,…
Answer: It uses water lubrication and does not produce any oil-related emissions.
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.
A. A few hundred yuan to several thousand yuan B. Thousands of yuan to tens of thousands of yuan C. Tens of thousands to hundreds of thousands of yuan D. Hundreds of thousands of yuan to several million yuan Answer: A. A few hundred yuan to several thousand yuan
A. 1-2% B. 3-5% C. 6-8% D. 10-15% Answer: B Analysis: High humidity reduces effective air volume by 3-5%.