@ggao
2025-03-12
How does the GWL Series compressor achieve zero emissions?
Answer: It uses water lubrication and does not produce any oil-related emissions.
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@air
2025-04-15
What is the energy consumption of oilless air compressors usually?
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors usually consume less energy and improve energy efficiency due to reduced use of lubricating oil.
@air
2025-04-15
8. For every 50 meters increase in the pipeline, the pressure drop increases by about?
A. 0.05 bar B. 0.1 bar C. 0.2 bar D. 0.5 Bar Answer: B Analysis: The pressure drop per 50 meters of pipeline increases by 0.1 bar, and the flow loss is about 2%.
@air
2025-04-15
In automobile manufacturing, what is the main purpose of using oil-free air compressors in precision assembly?
A. Increase assembly speed B. Extend tool life C. Reduce noise levels D. Reduce energy consumption Answer: B Analysis: Oil-free technology prevents oil mist from polluting high-precision pneumatic tools, thereby extending tool life to 1…
@air
2025-04-15
What are the main applications of air compressors in the construction industry?
A. Spraying and sandblasting operations B. Home use of C. Commercial places use D. Agricultural production uses answer: A. Spraying and sandblasting operations
@air
2025-04-15
When choosing an air compressor, which air compressor usually choose for companies with limited budgets?
A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: A Analysis: Oil injection air compressors have low initial investment and are suitable for companies with limited budgets.