@air
2025-04-15

What is the usual manufacturing cost of oilless air compressors?

A. higher
B. lower
C. Same as injection air compressor
D. unable to determine

Answer: A
Analysis: Oil-free air compressors are usually costly to manufacture, with large initial investment, but low long-term maintenance costs.

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@air
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11. What is the accuracy of the flowmeter recommended for energy efficiency monitoring?

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@air
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@air
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