Answer: Check for loose parts, worn components, or improper lubrication, and repair as necessary.
A. 1-2% B. 3-5% C. 6-8% D. 10-15% Answer: B Analysis: High humidity reduces effective air volume by 3-5%.
Answer: It should be installed in a cool, dry place with adequate ventilation and away from sources of heat and moisture.
Answer: The motor power typically ranges from [C] to [D] kW.
Answer: The main features include energy efficiency, low pressure operation, oil-free water lubrication, and high reliability.
A. High energy consumption B. Low energy consumption and high efficiency C. Maintaining complex D. High noise answer: B. Low energy consumption and high efficiency