@air
2025-04-15
What is the energy-saving effect of permanent magnet inverter air compressor?
- A. general
- B. poor
- C. better
- D. very good
Answer: D. very good
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Question: How should abnormal noise during compressor operation be handled?
Answer: Check for loose parts, worn components, or improper lubrication, and repair as necessary.
@air
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5. The range of flow loss caused by leakage in rotor clearance of screw machines is usually?
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.
@air
2025-04-15
What is the main demand for air compressors in the manufacturing industry?
A. Low noise B. Efficient and stable C. Portable D. Medical certification answer: B. Efficient and stable
@air
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What are the compression elements of piston air compressors?
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston
@air
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What types of cooling systems for injection air compressors usually include?
A. Water-cooled and air-cooled B. Oil cooled and air cooled C. Water cooling and oil cooling D. The answer cannot be determined: A Analysis: The cooling system of oil-injected air compressors usually includes two types: water-cooled and air-cooled, which are used to cool the compressor and compressed air…