'Six-tenth factor' rule is used for estimating the_________________?
Correct answer: B. Equipment cost by scaling
- A. Equipment installation cost
- B. Equipment cost by scaling
- C. Cost of piping
- D. Utilities cost
Explanation
The six-tenths rule estimates the cost of equipment at a new capacity from the known cost at another capacity: cost varies approximately as capacity to the 0.6 power. It is therefore an equipment-scaling method.
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