@air
2025-04-15

What are the main advantages of screw air compressors?

  • A. noisy
  • B. low efficiency
  • C. maintain complex
  • D. Low noise and high efficiency
    Answer: D. Low noise and high efficiency
Welcome!

Related Articles:
@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 main shortcomings of centrifugal air compressors?

A. Small flow B. Low power C. Not suitable for occasions with small gas volume and too high pressure ratio D. Complex structure answer: C. Not suitable for occasions with small gas volume and too high pressure ratio

@air
2025-04-15

What are the main defects caused by oil residues in the coating process?

A. Color difference B. Orange peel phenomenon C. Fisheye defect D. Hanging answer: C analysis: Oil residue will cause “fish eye” defects on the surface of the car paint, seriously affecting the coating quality.

@air
2025-04-15

What are the compression elements of piston air compressors?

A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston

@air
2025-04-15

2. Which of the following does not include the core influencing factors of gas production?

A. Volume efficiency loss B. Air compressor brand premium C. Intake air temperature D. Filter pressure loss answer: B Analysis: Gas production is affected by mechanical efficiency, environmental factors and system matching, and has nothing to do with the brand.