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 14RQ
When soldering, a flux is used to
A. minimize oxidation while the joint is being heated.
B. allow the fitting to fit easily onto the tubing.
C. keep the filler metal from dropping on the floor.
D. help the tubing and fitting to heat faster.
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With the use of an Alloy joining two or more
metal pieces called as
Select one:
a. Printing
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c. Fitting
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Which of the following is true about soft-soldered joints?
a. High power is required.
b. Can join and repair dissimilar metals.
c. High strength of joints.
d. Joints can be used in high temperature applications.
and Which of the following is not a factor that influences the choice of edge preparation?
a. Thickness
b. Material
c. Welding technique
d. Welding process
A soldering iron 'bit' is made of?
A.Brass
B.Tin
C.Steel
D.Copper
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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