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. Volume efficiency loss B. Air compressor brand premium C. Intake air temperature D. Filter pressure loss answer: B Analysis: Gas production is affected by mechanical efficiency, environmental factors and system matching, and has nothing to do with the brand.
Answer: Reduced energy consumption, lower carbon footprint, and compliance with environmental regulations.
A. Improve production efficiency B. Reduce carbon emissions C. Extend equipment life D. Reduce maintenance costs Answer: B Analysis: Environmentally friendly oil-free air compressors can reduce carbon by up to 200 tons annually, realizing additional benefits through carbon trading.
A. Adopt energy-efficient design B. Increase noise C. Reduce power D. Reduce maintenance Answer: A. Adopt energy-efficient design
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: A Analysis: The manufacturing cost of oil-free air compressors is usually high, and the initial investment is large, but the long-term maintenance cost is low.