MATERIALS SCIENCE+ENGINEERING:WILEY PLUS
10th Edition
ISBN: 9781119815242
Author: Callister
Publisher: WILEY
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Chapter 1, Problem 4QAP
To determine
The three items that are made from polymeric materials. The specific polymer used for each item and its characteristic.
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1. Figure 2 shows a filter. Transpose the filter by first converting it into a DFG
and redraw the transposed filter
+
(✗
D
+
×
y(n)
✗
(☑
(x)
(+
4D
(×→+) D
u(n)
✗
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Figure 2: Filter structure.
D
D
2. Design a circular clarifier for a flow rate of 34,560 m³/d. Use a design overflow rate of 30 m³/d-m². Assume
the clarifier has a center feed and a side water depth of 4.3 m. Use a feedwell detention time of 20 min.
Provide the following information to support your design:
• Diameter of the clarifier
• Diameter and depth of the feedwell
. Check the flow velocity across the sludge zone
• Calculate the weir loading rate
Chapter 1 Solutions
MATERIALS SCIENCE+ENGINEERING:WILEY PLUS
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