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 per year, realizing additional benefits through carbon trading.
A. Industry, energy, construction, mining B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Industry, energy, construction, mining
Answer: “Low pressure” refers to the compressor’s ability to operate at relatively low pressure levels, making it suitable for applications that require low-pressure compressed air.
A. Low level of protection B. High level of protection C. Low power D. High noise answer: B. high protection level
A. Price and brand B. Performance, price and brand C. Market demand and technological development D. Production date and transportation method Answer: C. Market demand and technological development
Answer: Common faults include high temperature, low pressure, and motor overload.