@ggao
2025-03-12
Question: What are the common compressor faults and how to handle them?
Answer: Common faults include high temperature, low pressure, and motor overload.
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@air
2025-04-17
13. Which annex to ISO 1217 does the industry standard for gas production correspond to?
A. Annex B B. Annex C C. Annex D D. Annex E Answer: C Analysis: The gas production standard corresponds to ISO 1217 Annex D.
@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
Does the GWL Series compressor generate radial and axial forces during operation?
Answer: No, the GWL Series compressor has a reasonable structure and only generates rotational force during operation, without radial and axial forces.
@ggao
2025-03-12
How can it be determined whether the water filter of the GWL Series compressor needs to be replaced?
Answer: It can be determined by observing the pressure differential indicator of the water filter or based on usage time and water quality.
@air
2025-04-15
What are the characteristics of air compressors in terms of after-sales service?
A. Poor after-sales service B. The after-sales service network is underdeveloped C. Provide comprehensive after-sales service D. After-sales service is limited to large cities Answer: C. Provide comprehensive after-sales service