A. compression method
B. cooling method
C. lubrication method
D. control mode
Answer: C
Analysis: Oil injection air compressors use lubricating oil to cool and lubricate compressor components, while oilless air compressors do not use lubricating oil. This is the most essential difference between the two.
A. Cylinder head and air liner B. Piston and piston rod C. Valve assemblies and lubrication systems D. These are all answers: D. all of the above are
Answer: Connect the compressor to a network and use a web-based interface or mobile app to monitor and control it remotely.
A. Brand and model B. Color and appearance C. Production date D. Answer to transportation method: A. make and model
A. 5%-10% B. 10%-15% C. 15%-20% D. 20%-28% Answer: D analysis: Permanent magnet frequency conversion technology combined with oil-free compression can significantly improve energy efficiency, reducing it by 20%-28…
A. Weight B. Light weight C. Large D. Small size and light weight Answer: D. Small size and light weight