A. pressure and temperature
B. Oil and pressure
C. Temperature and oil quantity
D. unable to determine
Answer: A
Analysis: The control system of oilless air compressors is mainly used to monitor and control the operating parameters of the compressor, such as pressure and temperature.
A. 0.05 bar B. 0.1 bar C. 0.2 bar D. 0.5 Bar Answer: B Analysis: The pressure drop per 50 meters of pipeline increases by 0.1 bar, and the flow loss is about 2%.
A. Improve production efficiency B. Reduce carbon emissions C. Extend equipment life D. Reduce maintenance costs Answer: B Analysis: Environmentally friendly oil-free air compressors can reduce carbon by up to 200 tons annually, realizing additional benefits through carbon trading.
Answer: It ensures the purity of compressed air, which is essential for food safety and quality.
A. Food, drugs, electronics, chemicals B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Food, drugs, electronics, chemicals
Answer: Ensure the installation site is clean, dry, and well-ventilated, and check the power supply and piping connections.