Answer: It is widely used in medical, food and beverage, electronics, pharmaceutical, chemical, textile, and laboratory industries.
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. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: C Analysis: The clearance volume of reciprocating air compressor causes a 15-25% efficiency decrease.
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,…
A. Industry, energy, construction, mining B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Industry, energy, construction, mining
A. Lubricating oil and oil filter need to be replaced regularly B. Short equipment life C. High energy consumption D. The oil content of compressed air is high. Answer: A Analysis: The oil injection air compressor requires regular replacement of lubricating oil and oil filter, which increases maintenance costs…