@air
2025-04-15

20. What is the core basis for equipment selection?

A. Theoretical value of exhaust volume
B. Actual demand for gas production
C. Equipment appearance size
D. Brand market ranking

Answer: B
parsing: Selection should take the actual gas production demand as the core parameter.

Welcome!

Related Articles:
@air
2025-04-15

What kind of certification does environmentally friendly oil-free air compressors need to pass to prove their oil-free performance?

A. ISO 50001 B. Germany Tüv “0” level oil-free certification C. CE certification D. IATF 16949 Answer: B Analysis: Germany’s Tüv “0” level oil-free certification is specially used for testing…

@air
2025-04-15

What are the main principles of energy-saving air compressors?

A. Adopt energy-efficient design B. Increase noise C. Reduce power D. Reduce maintenance Answer: A. Adopt energy-efficient design

@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

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 are the control requirements for pressure fluctuations in environmentally friendly oil-free air compressors?

A.≤0.5%FS B.≤1%FS C.≤1.5%FS D.≤ 2% FS Answer: A Analysis: Environmentally friendly oil-free air compressors need to meet pressure fluctuations ≤ 0.5% FS (0.7-1.0MP…