@air
2025-04-15

What are the main criteria for selecting an air compressor agent?

  • A. price and brand
  • B. Performance, price and brand
  • C. Service quality and credibility
  • D. Date of production and method of transportation
    Answer: C. Service quality and credibility
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@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

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.

@ggao
2025-03-12

Can the GWL Series compressor operate normally in high-temperature environments?

Answer: Yes, the GWL Series compressor adopts an efficient cooling system and can operate normally in high-temperature environments.

@air
2025-04-15

14. The nominal displacement of an air compressor is 20m³/min, and the measured gas production is 16.8 m ³/min. The possible reasons are not included?

A. An altitude of 1500 meters causes intake pressure loss B. After-treatment equipment pressure loss 6% C. The capacity of the air storage tank is too large D. The ambient temperature is too high Answer: C Analysis: Insufficient capacity of the gas storage tank is a problem. Too large will not affect the gas production…

@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.