Residential Construction Academy: House Wiring (MindTap Course List)
5th Edition
ISBN: 9781337402415
Author: Gregory W Fletcher
Publisher: Cengage Learning
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Chapter 6, Problem 1RQ
To determine
The minimum rating for a service entrance disconnecting means for a single family dwelling and the section in
Expert Solution & Answer
Explanation of Solution
According to the National electric code the circuit conductors between the final overcurrent device and the power or lightning outlet is defined as a branch circuit.
According to the National electric code section
The minimum rating for a service entrance disconnecting means for a single family dwelling is
Conclusion:
Thus, The minimum rating for a service entrance disconnecting means for a single family dwelling is
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PROBLEM:7–23.
Determine the maximum shear stress acting in the beam at the critical
section where the internal shear force is maximum.
3 kip/ft
ΑΟ
6 ft
DiC
0.75 in.
6 ft
6 in.
1 in.
F
[ 4 in.
C
4 in.
D
6 in.
Fig of prob:7-23
1 in.
6 ft
B
7.60 This abrupt expansion is to be used to dissipate the high-energy flow of water in the 5-ft-diameter penstock. Assume α = 1.0 at all locations.
a. What power (in horsepower) is lost through the expansion?
b. If the pressure at section 1 is 5 psig, what is the pressure at section 2?
c. What force is needed to hold the expansion in place?
5 ft
V = 25 ft/s
Problem 7.60
(2)
10 ft
Chapter 6 Solutions
Residential Construction Academy: House Wiring (MindTap Course List)
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