Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
Answer: Wear personal protective equipment, follow the startup procedures, and monitor the compressor for any abnormal behavior.
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…
A. 1873 B. 1871 C. 1965 D. Answer in 2017: A. in 1873
A. Price and brand B. Performance, price and brand C. Viscosity and quality of lubricating oil D. Production date and transportation method Answer: C. Viscosity and quality of lubricating oil
A. The whole machine is guaranteed for one year, and the main machine is guaranteed for two years. The whole machine is guaranteed for two years, and the main machine is guaranteed for one year. The whole machine and mainframe are guaranteed for one year D. The whole machine and mainframe are guaranteed for two years. Answer: A. The whole machine is guaranteed for one year, and the main machine is guaranteed for two…