A. lower
B. higher
C. Same as oil-free air compressor
D. unable to determine
Answer: B
Analysis: The lubricating oil from the oil-sprayed air compressor will be partially mixed into the compressed air, resulting in a high oil content in the compressed air.
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.
Answer: It uses water as the lubricant, eliminating the need for oil and reducing the risk of contamination.
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston
Answer: No, the GWL Series compressor has a reasonable structure and only generates rotational force during operation, without radial and axial forces.
What aspect of the company does ISO 50001 certification focus on? A. Quality management system B. Environmental Management System C. Energy Management System D. Occupational health and safety management system answer: C analysis: ISO…