A. Annex B B. Annex C C. Annex D D. Annex E Answer: C Analysis: The gas production standard corresponds to ISO 1217 Annex D.
Answer: The motor power typically ranges from [C] to [D] kW.
A. Water-cooled and air-cooled B. Oil cooled and air cooled C. Water cooling and oil cooling D. The answer cannot be determined: A Analysis: The cooling system of oil-injected air compressors usually includes two types: water-cooled and air-cooled, which are used to cool the compressor and compressed air…
A. Price and brand B. Performance, price and brand C. Market share and technological innovation D. Production date and transportation method Answer: C. Market share and technological innovation
A. 5% B. 11% C. 20% D. 30% answer: B Analysis: For every 1000 meters increase in altitude, the air density drops by about 11%.