A. 1-3%
B. 8-12%
C. 15-25%
D. 30-40%
Answer: B
parsing: The gap leakage loss of screw machines is 8-12%, and the reciprocating gap volume loss is even higher.
A. Improve the purity of compressed air B. Reduce equipment noise C. Cooling and lubricating parts D. Increase equipment life Answer: C Analysis: The water-lubricated design of oil-free air compressors is mainly used to cool and lubricate compressor components to ensure…
Answer: It is more energy-efficient and has lower operating costs due to its oil-free design and advanced compression technology.
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.
Answer: The flow rate range also varies depending on the specific model, usually covering from a few cubic meters per minute to tens of cubic meters per minute.
A. Inspect reinforced gas piping B. Replace the leaking valve C. Check or replace air valve D. These are all answers: D. all of the above are