A. Pure compressed air
B. low manufacturing cost
C. maintain complex
D. high energy consumption
Answer: A
Analysis: The main advantage of oil-free air compressors is that their compressed air is pure and oil-free, which is suitable for occasions with high requirements for compressed air purity.
A. Annex B B. Annex C C. Annex D D. Annex E Answer: C Analysis: The gas production standard corresponds to ISO 1217 Annex D.
Answer: Follow the manufacturer’s instructions for safe shutdown procedures to avoid damage to the compressor.
A. Small flow B. Low power C. Not suitable for occasions with small gas volume and too high pressure ratio D. Complex structure answer: C. Not suitable for occasions with small gas volume and too high pressure ratio
Answer: It is designed to be energy-efficient and environmentally friendly, with low energy consumption and zero emissions.
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.