A.≤0.5%FS
B.≤1%FS
C.≤1.5%FS
D.≤2%FS
Answer: A
Analysis: Environmentally friendly oil-free air compressors need to meet pressure fluctuations ≤0.5%FS (0.7-1.0MPa) to ensure production stability.
Answer: It can handle corrosive gases and provide reliable performance in harsh environments.
Answer: Follow the manufacturer’s instructions for pipe sizing, connections, and routing.
A. 50% B. 60% C. 75% D. 80% answer: C analysis: Environmentally friendly oil-free air compressors reduce oil pollution, thereby reducing the frequency of filter replacement and optimizing maintenance costs.
A. 1 bar, 20℃, 0% humidity B. 1 atm, 25℃, 50% humidity C. 1.5 bar, 30℃, 30% humidity D. 1.2 bar, 15℃,…
A. Higher cost B. Limited scope of application C. Maintaining complex D. Compressed air has high oil content Answer: D analysis: The shortcomings of oil-free air compressors include high cost and limited scope of application, but low maintenance costs, compressed air…