Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination 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.
A. Low pressure air compressor, medium pressure air compressor, high pressure air compressor B. Micro air compressor, small air compressor, medium air compressor C. Silent air compressor, portable air compressor, medical air compressor D. Piston air compressor, screw air compressor…
A. 1-2% B. 3-5% C. 6-8% D. 10-15% Answer: B Analysis: High humidity reduces effective air volume by 3-5%.
Answer: Follow the manufacturer’s instructions for draining and refilling the water tank.
A. Monthly B. Quarterly C. Once a year D. The answer depends on usage: D. Depending on usage