A. Produce lubricating oil B. No lubricating oil C. Need to replace lubricating oil frequently D. High noise answer: B. No production of lubricating oil
A. Annex A B. Annex C C. Annex D D. Annex E Answer: B Analysis: The exhaust volume standard corresponds to ISO 1217 Annex C.
A. <0.1ppm B. <0.01ppm C. <1ppm D. <10ppm Answer: B Analysis: According to ISO 8573-1:2010…
A. Compressed air pure B. Low manufacturing cost C. Simple maintenance D. Low energy consumption Answer: A Analysis: The main reason why the food production industry chooses oil-free air compressors is that its compressed air is pure and meets the hygiene requirements of food production…
Answer: Water lubricates the screw elements, cools the compressor, and helps to maintain optimal operating conditions.