A. oil injection air compressor
B. oil free compressor
C. both can
D. unable to determine
Answer: B
Analysis: The semiconductor manufacturing industry has extremely high requirements for compressed air purity, so oil-free air compressors are usually selected.
A. Monthly B. Quarterly C. Once a year D. The answer depends on usage: D. Depending on usage
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: B Analysis: Oil-free air compressors usually consume less energy and improve energy efficiency due to reduced use of lubricating oil.
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: The discharge capacity ranges from [A] to [B] m³/min.