Which step in the reverse-engineering process involves the identification of subsystems and their relationship to one another?
1 answer:
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Answer:
The governing ratio for thin walled cylinders is 10 if you use the radius. So if you divide the cylinder´s radius by its thickness and your result is more than 10, then you can use the thin walled cylinder stress formulas, in other words:
- if
then you have a thin walled cylinder
or using the diameter:
- if
then you have a thin walled cylinder
Answer:
The ACH is 12/h
Solution:
As per the question:
Area of the space,
Height of the given space, h = 10 ft
Air flow rate,
Now, to find the Air Change Rate (ACH):
We calculate the Volume of the given space:
Now, the ACH per min:
=
Now, ACH per hour:
=