@air
2025-04-15
What are the main characteristics of silent air compressors?
- A. high noise
- B. low noise
- C. large power
- D. power is small
Answer: B. low noise
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@ggao
2025-03-12
What should be done if the GWL Series compressor malfunctions during operation?
Answer: First, check the fault indicator lights and alarm messages, and troubleshoot and handle according to the prompts. If the problem cannot be solved independently, contact professional maintenance personnel promptly.
@air
2025-04-15
After combining permanent magnet frequency conversion technology with oilless compression, how much can the energy efficiency be reduced compared with traditional models?
A. 5%-10% B. 10%-15% C. 15%-20% D. 20%-28% Answer: D analysis: Permanent magnet frequency conversion technology combined with oil-free compression can significantly improve energy efficiency, reducing it by 20%-28…
@air
2025-04-15
What are the main considerations in the selection of air compressor lubricating oil?
A. Price and brand B. Performance, price and brand C. Viscosity and quality of lubricating oil D. Production date and transportation method Answer: C. Viscosity and quality of lubricating oil
@ggao
2025-03-12
Which company produces the GWL Series compressor?
Answer: The GWL Series compressor is produced by Shanghai Gran克林 Group (assuming “Gran克林” is a placeholder for the actual company name, which should be replaced with the correct name if known).
@air
2025-04-15
What are the usual maintenance costs of oilless air compressors?
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors do not need to replace lubricants and oil filters, so the maintenance cost is low.