Answer: It consumes less energy and operates more efficiently, resulting in lower operating costs.
A.≤0.5%FS B.≤1%FS C.≤1.5%FS D.≤ 2% FS Answer: A Analysis: Environmentally friendly oil-free air compressors need to meet pressure fluctuations ≤ 0.5% FS (0.7-1.0MP…
A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: A Analysis: Oil injection air compressors have low initial investment and are suitable for companies with limited budgets.
A. Higher cost B. Limited scope of application C. Maintaining complex D. Compressed air has high oil content Answer: D analysis: The shortcomings of oil-free air compressors include high cost and limited scope of application, but low maintenance costs, compressed air…
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston
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.