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: It is mainly used in medical, food, electronics, chemical, textile, and other industries where high air quality is required.
Answer: The main features include energy efficiency, low pressure operation, oil-free water lubrication, and high reliability.
Answer: It adopts an efficient compressor design, optimized system control, and water lubrication technology to reduce energy consumption and improve efficiency.
A. Food and beverage, pharmaceuticals, medical B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Food and beverage, pharmaceuticals, medical
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors usually consume less energy and improve energy efficiency due to reduced use of lubricating oil.