Lab Manual for Tomczyk/Silberstein/ Whitman/Johnson’s Refrigeration and Air Conditioning Technology, 8th
8th Edition
ISBN: 9781305578708
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 24, Problem 3RQ
The TXV tries to maintain a constant _____in theevaporator.
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An element in plane stress is subjected to stresses ☐ x, y, and xx (see figure). Using Mohr's circle:
a) Determine the principal stresses and the maximum in-plane shear stress acting at the point.
b) Show these stresses in an appropriate sketch
12 MPa
27 MPa
T
60 MPa
5 kN-m
A beam with an inverted tee-shaped cross section is subjected to positive bending mo-
ments of M₂ = 5 kN-m. The cross-sectional dimensions of the beam are shown below.
10 mm
Determine:
(a) the centroid location, the
moment of inertia about the
z axis,
40 mm
5 kN-m
K
150 mm
H
15 mm
120 mm
(b) the bending stress at points
H and K.
ans: 17.83mPa
(c) the maximum bending stress
produced in the cross section.
EXAMPLE 6.4
Draw the shear and moment diagrams for the beam shown in Fig. 6-7a.
15 kN
80 kN·m
-5 m
B
-5 m
(a)
5 kN/m
D
Chapter 24 Solutions
Lab Manual for Tomczyk/Silberstein/ Whitman/Johnson’s Refrigeration and Air Conditioning Technology, 8th
Ch. 24 - Which is not a pressure or force acting on a TXV...Ch. 24 - The needle and seat of a TXV are normally made of...Ch. 24 - The TXV tries to maintain a constant _____in...Ch. 24 - The four types of charges that the TXV uses to...Ch. 24 - Prob. 5RQCh. 24 - When do some TXVs require an external an external...Ch. 24 - Draw a diagram showing how an external equalizer...Ch. 24 - The TXV responds to an increased heat load by A....Ch. 24 - The three factors that determine the capacity of a...Ch. 24 - Explain why the entering liquid pressure has no...
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