A. 5%-10%
B. 10%-15%
C. 15%-20%
D. 20%-28%
Answer: D
Analysis: Permanent magnet frequency conversion technology combined with oil-free compression can significantly improve energy efficiency and reduce energy consumption by 20%-28%.
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…
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%.
Answer: By adopting water lubrication technology, it avoids oil contamination of compressed air and uses an efficient oil-air separation system to ensure the purity of compressed air.
Answer: It alerts the operator with visual and audible warnings, and provides diagnostic information to help identify the problem.
A. Monthly B. Quarterly C. Once a year D. The answer depends on usage: D. Depending on usage