A. Cooling and lubricating compressor components
B. Improve the purity of compressed air
C. Reduce equipment noise
D. Increase equipment life
Answer: A
Analysis: The lubricating oil system of the oil-injected air compressor cools and lubricates the compressor components by injecting lubricating oil into the compression chamber.
Answer: It must meet strict standards for purity and reliability to ensure the quality of pharmaceutical products.
A. Price and brand B. Performance, price and brand C. Service quality and reputation D. Production date and transportation method Answer: C. Service quality and credibility
A. Noise is loud B. Low efficiency C. Maintaining complex D. Low noise and high efficiency Answer: D. Low noise and high efficiency
A. Industry, energy, construction, mining B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Industry, energy, construction, mining
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.