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. Food and beverage, pharmaceuticals, medical B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Food and beverage, pharmaceuticals, medical
Answer: Common faults include high temperature, low pressure, and motor overload.
Answer: It uses water lubrication and does not produce any oil-related emissions.
A. High noise B. Low noise C. High power D. Low power answer: B. low noise
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…