Answer: Perform a series of tests to check the discharge pressure, capacity, and energy efficiency, and compare the results with the manufacturer’s specifications.
A. Nitrogen purge loss B. Brand premium cost C. Advertising intensity D. Equipment appearance aesthetics Answer: A Analysis: High-end industries need to consider nitrogen purging and monitoring sampling losses.
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…
A. Backwardness of energy-saving technology B. Advanced energy-saving technology C. Don’t pay attention to energy-saving technologies D. General answer to energy-saving technology: B. Advanced energy-saving technology
A.±0.5% B.±1.5% C.±2.5% D.± 5% Answer: B Analysis: The accuracy of flow meters complying with GB/T 13466 standard is ± 1.5%.
A. There are oil screw air compressors, oil-free screw machines, centrifuges, vacuum pumps, etc. B. Air compressors used in homes and air compressors used in commercial places C. Air compressors for the oil and natural gas industry, air compressors for the construction industry D. Manufacturing air compressors,…