A. Pressure and temperature B. Oil quantity and pressure C. Temperature and oil quantity D. The answer cannot be determined: A Analysis: The control system of an oil-free air compressor is mainly used to monitor and control the operating parameters of the compressor, such as pressure and temperature.
Answer: It can be determined by observing the pressure differential indicator of the water filter or based on usage time and water quality.
Answer: Regular inspections of the air filter, lubrication system, and motor can help prevent premature wear and tear.
A. Monthly B. Quarterly C. Once a year D. The answer depends on usage: D. Depending on usage
A. Stable growth B. Volatility growth C. Declining year by year D. Stagnation Answer: A. steady growth