@ggao
2025-03-12

What environmental benefits can businesses expect from using the GWL Series compressor?

Answer: Reduced energy consumption, lower carbon footprint, and compliance with environmental regulations.

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@air
2025-04-15

What is the usual manufacturing cost of oilless air compressors?

A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: A Analysis: The manufacturing cost of oil-free air compressors is usually high, and the initial investment is large, but the long-term maintenance cost is low.

@air
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What are the main shortcomings of centrifugal air compressors?

A. Small flow B. Low power C. Not suitable for occasions with small gas volume and too high pressure ratio D. Complex structure answer: C. Not suitable for occasions with small gas volume and too high pressure ratio

@ggao
2025-03-12

What type of lubrication does the GWL Series compressor use?

Answer: It uses water as a lubricant, achieving oil-free operation.

@air
2025-04-15

What is the usual price range for small air compressors?

A. A few hundred yuan to several thousand yuan B. Thousands of yuan to tens of thousands of yuan C. Tens of thousands to hundreds of thousands of yuan D. Hundreds of thousands of yuan to several million yuan Answer: A. A few hundred yuan to several thousand yuan

@air
2025-04-15

10. When selecting equipment, the comprehensive efficiency coefficient is usually taken?

A. 0.5-0.6 B. 0.7-0.85 C. 0.9-1.0 D. 1.1-1.2 Answer: B Analysis: When selecting the model, it needs to be multiplied by an efficiency factor of 0.7-0.85.