EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 29, Problem 5R
What demand factor may be applied when four or more fixed appliances are connected to a service, in addition to an electric range, air conditioner, clothes dryer, or space-heating equipment? (220.53) ____
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Disassemmble
In another
way
f(t) = [sin(200πt) - cos(300πt)]2
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Answered: Decompose using relationships 3 S(+) = 50 sin 3 (500πiz) | bartleby
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Decompose using relationships 3 S(+) = 50 sin 3 (500...
Steps
"Disassemble in another way."
f(+)= 50 Sin³ (500+)
Step 1
To decompose f(t)=50 Sin³ (500x+), use trigonometric
indentity for Sin³ (e)
Sin³ (0)- 3 Sin (e)-Sin (30)
4
Step2: Apply indentity to f(t).
f(+)= 50 Sin³ (500+)
= 50. 3 Sin (500+) - Sin (3*500π+)
= 50.
=
=
12.5
4
3 Sin (500+)-Sin (1500+)
4
[3 Sin (580x+)-Sin (1500x+)]
37.5 Sin (500+)-12.5 Sin (1500π+)
final decomposed form is,
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a T-1 trunk (24 channels) to the PSTN. Determine carried traffic and channel usage.
Chapter 29 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 29 - Prob. 1RCh. 29 - a. What is the unit load per ft2 for the general...Ch. 29 - a. What is the ampere rating of the circuits that...Ch. 29 - Why is the air-conditioning load for this...Ch. 29 - What demand factor may be applied when four or...Ch. 29 - What load may be used for an electric range rated...Ch. 29 - What is the calculated load for an electric range...Ch. 29 - What is the calculated load when fixed electric...Ch. 29 - On what basis is the neutral conductor of a...Ch. 29 - Why is it permissible to omit an electric space...
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