A. Pure compressed air
B. low manufacturing cost
C. maintain complex
D. high energy consumption
Answer: A
Analysis: The main advantage of oil-free air compressors is that their compressed air is pure and oil-free, which is suitable for occasions with high requirements for compressed air purity.
A. Cooling and lubricating compressor components B. Improve the purity of compressed air C. Reduce equipment noise D. Increase equipment life Answer: A Analysis: The lubricating oil system of the oil-injected air compressor injects lubricating oil into the compression chamber to start…
A. 1873 B. 1871 C. 1965 D. Answer in 2017: A. in 1873
A. Greenhouse gas emission management B. Energy Management C. Quality management D. Environmental management answer: A analysis: ISO 14064 certification is specifically used to verify the company’s greenhouse gas emissions management capabilities and support carbon exchange…
A. Large flow and high power are conducive to energy conservation B. Compact structure and good sealing effect C. Smooth operation and reliable operation D. These are all answers: D. all of the above are
A. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: B Analysis: The gap leakage loss of the screw machine is 8-12%, and the reciprocating gap volume loss is even higher.