A. Lubricating oil and oil filter needs to be replaced regularly
B. Short equipment life
C. high energy consumption
D. Compressed air has high oil content
Answer: A
Analysis: Oil injection air compressors require regular replacement of lubricants and oil filters, which increases maintenance costs.
Answer: It ensures the purity of compressed air, which is essential for food safety and quality.
Answer: It can monitor parameters such as discharge pressure, temperature, motor current, and lubrication water level.
A. Stable growth B. Volatility growth C. Declining year by year D. Stagnation Answer: A. steady growth
A. Increase exhaust temperature B. Avoid dirt that leads to reduced efficiency C. Increase noise D. Shorten equipment life Answer: B Analysis: Cleaning the cooler can prevent the accumulation of dirt and maintain efficiency.
Answer: The screw and star wheel are designed for high efficiency and long life, with precise tolerances to ensure smooth operation.