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.
A. Home use B. Commercial places use C. D. Agricultural production use answer: C. Industrial use
Answer: It can monitor parameters such as discharge pressure, temperature, motor current, and lubrication water level.
A. 5% B. 11% C. 20% D. 30% answer: B Analysis: For every 1000 meters increase in altitude, the air density drops by about 11%.
A. Improve production efficiency B. Reduce carbon emissions C. Ensure green manufacturing compliance D. Reduce maintenance costs Answer: C Analysis: Environmentally friendly oil-free air compressors combined with environmental management system certification meet IATF 1694…
A. Large flow and high power are conducive to energy conservation B. Compact structure and good sealing effect C. Smooth operation and reliable operation D. These are all answers: D. all of the above are