A. 100
B. 300
C. 500
D. 800
Answer: D
Analysis: Coating defects caused by oil pollution can cause annual losses of more than 8 million yuan for a single production line, highlighting the importance of oil-free air compressors.
A. 10-20 B. 20-30 C. 30-40 D. 40-50 Answer: C Analysis: The average annual maintenance cost of environmentally friendly oil-free air compressors is 200,000 – 300,000 yuan, which is 30-40 less than traditional models…
A. <0.1ppm B. <0.01ppm C. <1ppm D. <10ppm Answer: B Analysis: According to ISO 8573-1:2010…
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…
Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
Answer: It includes regular inspections, changing the lubrication water, and cleaning the air filter.