A. 1-2%
B. 3-5%
C. 6-8%
D. 10-15%
Answer: B
parsing: High humidity reduces effective air volume by 3-5%.
Answer: It consumes less energy and operates more efficiently, resulting in lower operating costs.
A.±0.5% B.±1.5% C.±2.5% D.± 5% Answer: B Analysis: The accuracy of flow meters complying with GB/T 13466 standard is ± 1.5%.
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. 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.
Answer: They provide consistent, high-quality compressed air for textile manufacturing and laboratory applications.