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.
Answer: Water lubricates the screw elements, cools the compressor, and helps to maintain optimal operating conditions.
Answer: The discharge pressure range is typically between [X] and [Y] bar.
A. 5% B. 11% C. 20% D. 30% answer: B Analysis: For every 1000 meters increase in altitude, the air density drops by about 11%.
Answer: It uses water as the lubricant, eliminating the need for oil and reducing the risk of contamination.
Answer: Regular replacement of water filters, air filters, and other consumables is required, as well as inspection of the cooling system, lubrication system, and other components.