Essentials Of Materials Science And Engineering
4th Edition
ISBN: 9781337385497
Author: WRIGHT, Wendelin J.
Publisher: Cengage,
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Chapter 9, Problem 9.91P
Interpretation Introduction
Interpretation:
Whether the casting of an alloy using a sand mold is stronger than metallic mold or not needs to be explained.
Concept introduction:
Casting is a process of manufacturing components by pouring molten metal into the mold having a desired shaped caving and then solidifying at room temperature. Sand casting is a different type of casting like die casting, metal casting, etc. Mold is a cavity having the desired shape of an object in which liquid or molten metal is poured during the casting.
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Q1: Verify that the average power generated equals the average power
absorbed using the simulated values in Table 7-2.
Q2: Verify that the reactive power generated equals the reactive power
absorbed using the simulated values in Table 7-2.
Q3: Why it is important to correct the power factor of a load?
Q4: Find the ideal value of the capacitor theoretically that will result in unity
power factor.
Vs pp (V)
VRIPP (V) VRLC PP (V)
AT (μs)
T (us)
8°
pf
Simulated
14
8.523
7.84
84.850
1000
29.88
0.866
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14
8.523
7.854
82.94
1000
29.85
0.86733
Table 7-2 Power Calculations
Pvs (mW) Qvs (mVAR) PRI (MW) Pay (mW)
Qt (mVAR)
Qc (mYAR)
Simulated
-12.93
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9.081
3.855
12.27
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3.856
12.32
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Part II: Power Factor Correction
Table 7-3 Power Factor Correction
AT (us)
0°
pf
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Chapter 9 Solutions
Essentials Of Materials Science And Engineering
Ch. 9 - Prob. 9.1PCh. 9 - Prob. 9.2PCh. 9 - Prob. 9.3PCh. 9 - Prob. 9.4PCh. 9 - Prob. 9.5PCh. 9 - Prob. 9.6PCh. 9 - Prob. 9.7PCh. 9 - Prob. 9.8PCh. 9 - Prob. 9.9PCh. 9 - Prob. 9.10P
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