@air
2025-04-15
What is the energy-saving effect of permanent magnet inverter air compressor?
- A. general
- B. poor
- C. better
- D. very good
Answer: D. very good
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What are the control requirements for pressure fluctuations in environmentally friendly oil-free air compressors?
A.≤0.5%FS B.≤1%FS C.≤1.5%FS D.≤ 2% FS Answer: A Analysis: Environmentally friendly oil-free air compressors need to meet pressure fluctuations ≤ 0.5% FS (0.7-1.0MP…
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What are the main features of the GWL Series energy-efficient low-pressure oil-free water-lubricated screw air compressor?
Answer: The main features include energy efficiency, low pressure, oil-free operation, and water lubrication, providing pure compressed air suitable for industries with high air quality requirements.
@ggao
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What advantages does the GWL Series compressor have in terms of working efficiency compared to traditional air compressors?
Answer: It is more energy-efficient and has lower operating costs due to its oil-free design and advanced compression technology.
@air
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12. Which annex to ISO 1217 does the industry standard for exhaust volume correspond to?
A. Annex A B. Annex C C. Annex D D. Annex E Answer: B Analysis: The exhaust volume standard corresponds to ISO 1217 Annex C.
@air
2025-04-15
What are the main characteristics of mine air compressors?
A. Low level of protection B. High level of protection C. Low power D. High noise answer: B. high protection level