A. color difference
B. Orange peel phenomenon
C. fish-eye defect
D. sagging
Answer: C
Analysis: Oil residue will cause “fish eye” defects on the surface of car paint, which seriously affects the coating quality.
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.
Answer: The GWL Series compressor adopts a low-noise design, with a noise level typically below industry standards, depending on the model and operating conditions.
A. Dust content B. Oil content C. Dew point temperature D. Pressure fluctuations Answer: B Analysis: Oil mist emissions violate environmental regulations, and environmentally friendly oil-free air compressors combined with environmental management system certification can ensure compliance.
A. Compression method B. Cooling method C. Lubricating method D. Control method answer: C analysis: oil-injected air compressors use lubricating oil to cool and lubricate compressor components, while oil-free air compressors do not use lubricating oil. These are two…
Answer: The flow rate range also varies depending on the specific model, usually covering from a few cubic meters per minute to tens of cubic meters per minute.