Answer: Perform a series of tests to check the discharge pressure, capacity, and energy efficiency, and compare the results with the manufacturer’s specifications.
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.
A. Compressed air pure B. Low manufacturing cost C. Maintaining complex D. High energy consumption answer: A analysis: The main advantage of oil-free air compressors is that their compressed air is pure and oil-free, which is suitable for high purity requirements of compressed air…
A. 0.5-0.6 B. 0.7-0.85 C. 0.9-1.0 D. 1.1-1.2 Answer: B Analysis: When selecting the model, it needs to be multiplied by an efficiency factor of 0.7-0.85.
Answer: Water lubricates the screw elements, cools the compressor, and helps to maintain optimal operating conditions.
A. Price and brand B. Performance, price and brand C. Market demand and technological development D. Production date and transportation method Answer: C. Market demand and technological development