What are the main characteristics of oilless air compressors?
- A. Produce lubricating oil
- B. No production of lubricating oil
- C. Need to change lubricating oil frequently
- D. high noise
Answer: B. No production of lubricating oil
Answer: Wear personal protective equipment, follow the startup procedures, and monitor the compressor for any abnormal behavior.
A. General Certification B. Medical certification C. Industrial certification D. No certification required answer: B. Medical certification
A. Inspect reinforced gas piping B. Replace the leaking valve C. Check or replace air valve D. These are all answers: D. all of the above are
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. Poor after-sales service B. The after-sales service network is underdeveloped C. Provide comprehensive after-sales service D. After-sales service is limited to large cities Answer: C. Provide comprehensive after-sales service