A.≤0.1μm
B.≤0.01μm
C.≤1μm
D.≤10μm
Answer: B
Analysis: Automobile-grade compressed air needs to meet the strict requirements of dust content ≤ 0.01 μ m to ensure the cleanliness of the production environment.
A. Semiconductor manufacturing B. Food production C. Construction D. Pharmaceutical industry answer: C analysis: Due to the high oil content of compressed air, oil-injected air compressors are usually used in occasions where the purity of compressed air is not high, such as construction…
Answer: It is mainly used in medical, food, electronics, chemical, textile, and other industries where high air quality is required.
A. Improve the purity of compressed air B. Reduce equipment noise C. Cooling and lubricating parts D. Increase equipment life Answer: C Analysis: The water-lubricated design of oil-free air compressors is mainly used to cool and lubricate compressor components to ensure…
Answer: It is more energy-efficient and has lower operating costs due to its oil-free design and advanced compression technology.
A. Water lubrication B. Oil lubrication C. No need for lubrication D. Special lubricant lubrication Answer: D Analysis: Oil-free air compressors usually use special lubricants to cool and lubricate parts to ensure the purity of compressed air.