What are the main characteristics of mine air compressors?
- A. Low level of protection
- B. high protection level
- C. power is small
- D. high noise
Answer: B. high protection level
Answer: The screw and star wheel are designed for high efficiency and long life, with precise tolerances to ensure smooth operation.
Answer: Wear personal protective equipment, follow the startup procedures, and monitor the compressor for any abnormal behavior.
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. High noise B. Low noise C. High power D. Low power answer: B. low noise
A. Convert the gas production at different temperatures to standard state B. Calculate the theoretical air compressor displacement C. Evaluate brand market share D. Predicting equipment failure rate Answer: A Analysis: Temperature correction factor is used to unify different temperatures…