7. When the humidity is higher than 70%, condensed water separates out, resulting in a decrease in effective air volume?

A. Poor after-sales service B. The after-sales service network is underdeveloped C. Provide comprehensive after-sales service D. After-sales service is limited to large cities Answer: C. Provide comprehensive after-sales service

Answer: Wear personal protective equipment, follow the startup procedures, and monitor the compressor for any abnormal behavior.

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.

A. Price and brand B. Performance, price and brand C. Viscosity and quality of lubricating oil D. Production date and transportation method Answer: C. Viscosity and quality of lubricating oil

What aspect of the company does ISO 50001 certification focus on? A. Quality management system B. Environmental Management System C. Energy Management System D. Occupational health and safety management system answer: C analysis: ISO…