@air
2025-04-15
When can the history of air compressors go back?
- A. in 1873
- B. in 1871
- C. in 1965
- D. in 2017
Answer: A. in 1873
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@ggao
2025-03-12
What are the main uses of the GWL Series compressor?
Answer: It is widely used in medical, food and beverage, electronics, pharmaceutical, chemical, textile, and laboratory industries.
@air
2025-04-15
The risk of violating Article 45 of the Air Pollution Prevention and Control Law is mainly related to what components in compressed air?
A. Dust content B. Oil content C. Dew point temperature D. Pressure fluctuations Answer: B Analysis: Oil mist emissions violate environmental regulations, and environmentally friendly oil-free air compressors combined with environmental management system certification can ensure compliance.
@air
2025-04-15
What is the oil content of compressed air in oil-injected air compressors usually?
A. Lower B. Higher C. Same as oilless air compressor D. The answer cannot be determined: B Analysis: The lubricating oil from the oil-injected air compressor will be partially mixed into the compressed air, resulting in a high oil content in the compressed air.
@ggao
2025-03-12
What are the advantages of the GWL Series compressor compared to other types of air compressors?
Answer: The advantages include no oil contamination, low maintenance costs, long service life, and high energy efficiency.
@ggao
2025-03-12
What role does water play in this compressor?
Answer: Water lubricates the screw elements, cools the compressor, and helps to maintain optimal operating conditions.