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 and reduce energy consumption by 20%-28%.
A. Monthly B. Quarterly C. Once a year D. The answer depends on usage: D. Depending on usage
Answer: Follow the manufacturer’s instructions for pipe sizing, connections, and routing.
A. Price and brand B. Performance, price and brand C. Market share and technological innovation D. Production date and transportation method Answer: C. Market share and technological innovation
A. Cylinder volume × speed × number of cylinders B. Gas production × efficiency coefficient C. Theoretical exhaust volume ÷ temperature correction coefficient D. Standard state gas production × altitude correction factor Answer: A Analysis: Discharge…
Answer: The motor power varies depending on the compressor model and flow demand, with specifications such as 5.5kW, 7.5kW, 11kW, etc.