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.
Answer: The advantages include no oil contamination, low maintenance costs, long service life, and high energy efficiency.
Answer: Common faults include high temperature, low pressure, and motor overload.
A. Low level of protection B. High level of protection C. Low power D. High noise answer: B. high protection level
Answer: The main features include energy efficiency, low pressure, oil-free operation, and water lubrication, providing pure compressed air suitable for industries with high air quality requirements.
A. Lower cost B. Simple maintenance C. Compressed air pure D. Wide application range Answer: C analysis: The advantages of oil-injected air compressors include low cost, simple maintenance and wide application range, but the compressed air has a high oil content…