Industrial Plastics: Theory and Applications
6th Edition
ISBN: 9781285061238
Author: Lokensgard, Erik
Publisher: Delmar Cengage Learning
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Chapter 7, Problem 7.7Q
Interpretation Introduction
Interpretation:
The name of the chemical-resistant glass fibers should be determined.
Concept Introduction:
Reinforcements are used to improve physical properties of plastics dramatically. One of the important reinforcement agent is glass fiber. The glass fibers are made of silica, but other compounds are added to obtain many desired properties.
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9.4. A PID temperature controller is at steady state with an output pressure of 9 psig. The set
point and process temperature are initially the same. At time = 0, the set point is increased
at the rate of 0.5°F/min. The motion of the set point is in the direction of lower temperatures.
If the current settings are
PART 3 LINEAR CLOSED-LOOP SYSTEMS
Ke
=
2 psig/°F
Ti =
1.25 min
TD = 0.4 min
plot the output pressure versus time.
9.6. A PI controller has the transfer function
Determine the values of K, and T.
5s + 10
Ge
S
9.5. The input & to a PI controller is shown in Fig. P9-5. Plot the output of the controller if
Ke 2 and 0.50 min.
-
E
0.5
0
-0.5
0
FIGURE P9-5
2
4
t, min
Chapter 7 Solutions
Industrial Plastics: Theory and Applications
Ch. 7 - Prob. 7.1QCh. 7 - Prob. 7.2QCh. 7 - Prob. 7.3QCh. 7 - Prob. 7.4QCh. 7 - Prob. 7.5QCh. 7 - Prob. 7.6QCh. 7 - Prob. 7.7QCh. 7 - Prob. 7.8QCh. 7 - Prob. 7.9QCh. 7 - Prob. 7.10Q
Ch. 7 - Prob. 7.11QCh. 7 - Prob. 7.12QCh. 7 - Prob. 7.13QCh. 7 - Prob. 7.14QCh. 7 - Prob. 7.15QCh. 7 - Prob. 7.16QCh. 7 - Prob. 7.17QCh. 7 - Prob. 7.18QCh. 7 - Prob. 7.19QCh. 7 - Prob. 7.20QCh. 7 - Prob. 7.21QCh. 7 - Prob. 7.22QCh. 7 - Prob. 7.23QCh. 7 - Prob. 7.24QCh. 7 - Prob. 7.25QCh. 7 - Prob. 7.26QCh. 7 - Prob. 7.27QCh. 7 - Prob. 7.28QCh. 7 - Prob. 7.29QCh. 7 - Prob. 7.30QCh. 7 - Prob. 7.31Q
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