@air
2025-04-15

10. When selecting equipment, the comprehensive efficiency coefficient is usually taken?

A. 0.5-0.6
B. 0.7-0.85
C. 0.9-1.0
D. 1.1-1.2

Answer: B
parsing: When selecting a model, it needs to be multiplied by an efficiency factor of 0.7-0.85.

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