Answer: It is widely used in medical, food and beverage, electronics, pharmaceutical, chemical, textile, and laboratory industries.
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston
Answer: The competitive advantages include high energy efficiency, no oil contamination, low maintenance costs, long service life, as well as strong brand influence and technical support.
A. Higher cost B. Limited scope of application C. Maintaining complex D. Compressed air has high oil content Answer: D analysis: The shortcomings of oil-free air compressors include high cost and limited scope of application, but low maintenance costs, compressed air…
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
A. Cooling and lubricating compressor components B. Improve the purity of compressed air C. Reduce equipment noise D. Increase equipment life Answer: A Analysis: The lubricating oil system of the oil-injected air compressor injects lubricating oil into the compression chamber to start…