@air
2025-04-15

What are the main applications of air compressors in the construction industry?

  • A. Spraying and sandblasting operations
  • B. home use
  • C. Use in commercial venues
  • D. Agricultural production use
    Answer: A. Spraying and sandblasting operations
Welcome!

Related Articles:
@air
2025-04-15

In the ISO 8573-1:2010 standard, what is the dew point temperature requirement for compressed air for spraying?

A.≤0℃ B.≤-10℃ C.≤-20℃ D.≤-30℃ Answer: C Analysis: The spraying process requires a compressed air dew point of ≤-20℃ (PDP) to prevent moisture condensation from affecting the coating quality.

@air
2025-04-15

What certification does medical air compressors need to meet?

A. General Certification B. Medical certification C. Industrial certification D. No certification required answer: B. Medical certification

@air
2025-04-15

16. Can volumetric efficiency loss be achieved in reciprocating air compressors?

A. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: C Analysis: The clearance volume of reciprocating air compressor causes a 15-25% efficiency decrease.

@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…