@air
2025-04-15
What are the compression elements of piston air compressors?
- A. screw
- B. piston
- C. centrifugal wheel
- D. scroll
- Answer: B. piston
Answer: It is used for providing clean, oil-free compressed air for medical equipment and procedures.
Answer: The isothermal compression is achieved through the use of water lubrication, which helps to dissipate heat more effectively.
Answer: The motor power typically ranges from [C] to [D] kW.
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.
Answer: It should be installed in a cool, dry place with adequate ventilation and away from sources of heat and moisture.