Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
A. Wear of cylinder head and air liner B. Piston and piston rod damage C. Valve assembly failure D. These are all answers: D. all of the above are
Answer: The discharge pressure range varies depending on the specific model, typically suitable for low-pressure applications such as 2-5 bar.
Answer: It must meet strict standards for purity and reliability to ensure the quality of pharmaceutical products.
A. Color difference B. Orange peel phenomenon C. Fisheye defect D. Hanging answer: C analysis: Oil residue will cause “fish eye” defects on the surface of the car paint, seriously affecting the coating quality.
Answer: Follow the manufacturer’s instructions for pipe sizing, connections, and routing.