Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 7, Problem 2RQ
The size of 1/2 in. would refer to the ______regard to copper tubing used in plumbing and heating.
A. ID
B. OD
C. length
D. fitting length
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Question 3: For the following trusses,
a) Determine determinacy and stability
b) Identify the zero force members
SAN
2AN
Works as
Roller
H.
B. P1 = P2 = 100 N
F
2 m
A
1 m
2 m-
1 m
P2
1001
P1
5.) A pin made of steel is inserted in a short hanging wooden member and is used to support load F = 20
kN as shown in the figure. The ultimate strength of the wood used is 60 MPa in tension and 75 MPa in
shear. On the other hand, the ultimate strength of the steel is 150 MPa in shear. If the pin diameter is 16
mm, determine (a) the factor of safety for the pin; and (b) the required values of b and c if the factor of
safety for the wooden member is to be the same as that found in part (a) for the pin.
When utilizing pins to assemble rigging components, the "grip" area of the pin is
A. diameter of the pin
B. the distance between the keeper holes
C. the distance between the end taper angles
D. the entire length of the pin
Chapter 7 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 7 - The standard weight of copper tubing used most...Ch. 7 - The size of 1/2 in. would refer to the...Ch. 7 - The size of 1/2 in. would refer to the _______...Ch. 7 - In what size rolls is soft copper tubing normally...Ch. 7 - Why are some ACR tubing lines insulated?Ch. 7 - Describe procedures for bending soft copper...Ch. 7 - Describe the procedure for cutting tubing with a...Ch. 7 - What type of solder is suitable for moderate...Ch. 7 - Describe the steps for making a good soldered...Ch. 7 - Describe the procedures for making a flare for...
Ch. 7 - The portion of a compression fitting that actually...Ch. 7 - What is the most common cause of leaking...Ch. 7 - A common filler material used for brazing is...Ch. 7 - When soldering, a flux is used to A. minimize...Ch. 7 - List the procedures used when setting up,...Ch. 7 - Describe the procedure for preparing and threading...Ch. 7 - Describe each part of the thread dimension 1/4-18...
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