Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
A. Low noise B. Efficient and stable C. Portable D. Medical certification answer: B. Efficient and stable
A. Price and brand B. Performance, price and brand C. Appearance and color D. Production date and transportation method Answer: B. Performance, price and brand
A. Convert the gas production at different temperatures to standard state B. Calculate the theoretical air compressor displacement C. Evaluate brand market share D. Predicting equipment failure rate Answer: A Analysis: Temperature correction factor is used to unify different temperatures…
What is the usual manufacturing cost of oil-injected air compressors? A. Higher B. Lower C. Same as oilless air compressor D. The answer cannot be determined: B Analysis: The manufacturing cost of oil-injected air compressors is usually low, and the initial investment is small, so it is suitable for…
A. 1KW to 10KW B. 10KW to 100KW C. 100KW to 1000KW D. Answer above 1000KW: B. 10KW to 100KW