A. 1 bar, 20℃, 0% humidity
B. 1 atm, 25℃, 50% humidity
C. 1.5 bar, 30℃, 30% humidity
D. 1.2 bar, 15℃, 20% humidity
Answer: A
parsing: ISO 1217 specifies the standard state as 1 bar, 20℃, 0% humidity.
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…
Answer: Regular inspections of the air filter, lubrication system, and motor can help prevent premature wear and tear.
A. 0.1-0.3m³/min B. 1-3m³/min C. 5-10m³/min D. 10-15m³/min Answer: A Analysis: The sampling flow of monitoring equipment is usually 0…
A. 1-2% B. 3-5% C. 6-8% D. 10-15% Answer: B Analysis: High humidity reduces effective air volume by 3-5%.
A. 10-20 B. 20-30 C. 30-40 D. 40-50 Answer: C Analysis: The average annual maintenance cost of environmentally friendly oil-free air compressors is 200,000 – 300,000 yuan, which is 30-40 less than traditional models…