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.
A. Semiconductor manufacturing B. Food production C. Construction D. Pharmaceutical industry answer: C analysis: Due to the high oil content of compressed air, oil-injected air compressors are usually used in occasions where the purity of compressed air is not high, such as construction…
A. Adopt noise reduction design B. Increase noise C. Reduce power D. Reduce maintenance Answer: A. Designed for noise reduction
A. Food, drugs, electronics, chemicals B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Food, drugs, electronics, chemicals
Answer: The discharge capacity ranges from [A] to [B] m³/min.
A. Noise is loud B. Low efficiency C. Maintaining complex D. Low noise and high efficiency Answer: D. Low noise and high efficiency