@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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@air
2025-04-15
5. The range of flow loss caused by leakage in rotor clearance of screw machines is usually?
A. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: B Analysis: The gap leakage loss of the screw machine is 8-12%, and the reciprocating gap volume loss is even higher.
@air
2025-04-15
Regarding the definition of exhaust volume, which of the following description is correct?
A. The actual volume of compressed gas output by the air compressor per unit time B. Gas discharge capacity after considering efficiency loss C. Theoretical value of the geometric volume swept by the piston per unit time D. The value that needs to be converted to the standard state will answer…
@air
2025-04-15
What is the main purpose of the water-lubricated design of oilless air compressors?
A. Improve the purity of compressed air B. Reduce equipment noise C. Cooling and lubricating parts D. Increase equipment life Answer: C Analysis: The water-lubricated design of oil-free air compressors is mainly used to cool and lubricate compressor components to ensure…
@air
2025-04-15
What kind of air compressor does the semiconductor manufacturing industry usually choose?
A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: B Analysis: The semiconductor manufacturing industry has extremely high requirements for the purity of compressed air, so oil-free air compressors are usually chosen.
@ggao
2025-03-12
What does “low pressure” refer to in the GWL Series compressor?
Answer: “Low pressure” refers to the compressor’s ability to operate at relatively low pressure levels, making it suitable for applications that require low-pressure compressed air.