A. water-lubricated
B. oil lubrication
C. no lubrication
D. Lubrication with special lubricants
Answer: D
Analysis: Oil-free air compressors usually use special lubricants to cool and lubricate parts to ensure the purity of the compressed air.
Answer: It is widely used in medical, food and beverage, electronics, pharmaceutical, chemical, textile, and laboratory industries.
A. Produce lubricating oil B. No lubricating oil C. Need to replace lubricating oil frequently D. High noise answer: B. No production of lubricating oil
Answer: Wear personal protective equipment, follow the startup procedures, and monitor the compressor for any abnormal behavior.
A. Increase assembly speed B. Extend tool life C. Reduce noise levels D. Reduce energy consumption Answer: B Analysis: Oil-free technology prevents oil mist from polluting high-precision pneumatic tools, thereby extending tool life to 1…
A. Price and brand B. Performance, price and brand C. Market demand and technological development D. Production date and transportation method Answer: C. Market demand and technological development