Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN: 9781337399128
Author: Russell E. Smith
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 28RQ
Compare the digital and analog types of electric meters, giving advantages and disadvantages.
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450 mm
In
600 mm.
a
72 mm
72 mm
125 kN
72 mm
192 mm
t = 6 mm
PROBLEM 6.10
For the beam and loading shown,
consider section n-n and determine
(a) the largest shearing stress in that
section, (b) the shearing stress at point a.
PROBLEM 6.38
=
6.38 The vertical shear is 5.3 kN in a beam having the
cross section shown. Knowing that d
100 mm,
determine the shearing stress (a) at point a, (b) at
point b.
12 mm
d→
125
mm
200 mm
12 mm
b
100 mm
1. (6%) Please sketch the distribution of shear stresses in a rectangular beam and
determine where the maximum shear stress occurs.
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Chapter 4 Solutions
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Ch. 4 - What are the three most common electric meters...Ch. 4 - Prob. 2RQCh. 4 - What do most analog meters use to facilitate the...Ch. 4 - How does an ammeter work?Ch. 4 - What are the two types of ammeters? Which type is...Ch. 4 - Prob. 6RQCh. 4 - How can a very small ampere draw be measured with...Ch. 4 - If a conductor was wrapped around the jaws of a...Ch. 4 - Explain the operation of an analog voltmeter.Ch. 4 - Air-conditioning or refrigeration equipment can...
Ch. 4 - Prob. 11RQCh. 4 - What precaution should be taken when using an...Ch. 4 - Prob. 13RQCh. 4 - What is a short circuit?Ch. 4 - Prob. 15RQCh. 4 - What factors should be considered when purchasing...Ch. 4 - Match the following terms.Ch. 4 - Prob. 18RQCh. 4 - Prob. 19RQCh. 4 - An in-line ammeter must be connected to a circuit...Ch. 4 - What is the difference between an analog meter...Ch. 4 - Give three advantages of a digital electric meter.Ch. 4 - What basic concept is used in a digital meter to...Ch. 4 - What is the basic accuracy of most analog and...Ch. 4 - How many digits will the 312- and 412-digit...Ch. 4 - Prob. 26RQCh. 4 - The ohmmeter differs from other types of meters in...Ch. 4 - Compare the digital and analog types of electric...
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