A. lower cost
B. simple maintenance
C. Pure compressed air
D. wide application range
Answer: C
Analysis: The advantages of oil injection air compressor include low cost, simple maintenance and wide application range, but the compressed air oil content is high, not its advantages.
Answer: Reduced energy consumption, lower carbon footprint, and compliance with environmental regulations.
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.
Answer: It should be installed in a cool, dry place with adequate ventilation and away from sources of heat and moisture.
A. 0.5-0.6 B. 0.7-0.85 C. 0.9-1.0 D. 1.1-1.2 Answer: B Analysis: When selecting the model, it needs to be multiplied by an efficiency factor of 0.7-0.85.
Answer: It adopts an efficient compressor design, optimized system control, and water lubrication technology to reduce energy consumption and improve efficiency.