A. 0.05 bar
B. 0.1 bar
C. 0.2 bar
D. 0.5 bar
Answer: B
parsing: The pressure drop increases by 0.1 bar per 50 meters of pipeline, and the flow loss is about 2%.
Answer: It uses water as the lubricant, eliminating the need for oil and reducing the risk of contamination.
Answer: It includes regular inspections, changing the lubrication water, and cleaning the air filter.
A. <0.1ppm B. <0.01ppm C. <1ppm D. <10ppm Answer: B Analysis: According to ISO 8573-1:2010…
A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: B Analysis: The semiconductor manufacturing industry has extremely high requirements for the purity of compressed air, so oil-free air compressors are usually chosen.
A. Poor after-sales service B. The after-sales service network is underdeveloped C. Provide comprehensive after-sales service D. After-sales service is limited to large cities Answer: C. Provide comprehensive after-sales service