A. lower cost
B. simple maintenance
C. Pure compressed air
D. wide application range
Answer: C
Analysis: The advantages of oil injection air compressor include low cost, simple maintenance and wide application range, but the compressed air oil content is high, not its advantages.
Answer: Regular inspections of the air filter, lubrication system, and motor can help prevent premature wear and tear.
Answer: Wear personal protective equipment, follow the startup procedures, and monitor the compressor for any abnormal behavior.
Answer: Regular replacement of water filters, air filters, and other consumables is required, as well as inspection of the cooling system, lubrication system, and other components.
Answer: The motor power varies depending on the compressor model and flow demand, with specifications such as 5.5kW, 7.5kW, 11kW, etc.
A. High noise B. Low noise C. High power D. Low power answer: B. low noise