ITEM COST acid core solder $2.49 solder paste $0.59 stop valve $2.85 90° elbow $0.43 -inch copper tubing $5.34 RVALUES FOR CERTAIN MATERIALS MATERIAL R VALUE Air space (34 inches) 0.97 Brick veneer 0.56 Fiberglass insulation (3 inches) 11.00 Wallboard (interior) 0.79 Wood siding and building paper 0.86

Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Larry Jeffus
Chapter20: Shop Math And Weld Cost
Section: Chapter Questions
Problem 33R: When estimating weld cost, what weld joint design factors should be considered?
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A technician uses these items in fixing a hot water heating system:Find the total cost of the items used.
Note: Use this information and diagram for problems 21 and 22. The
R value of a substance gives the resistance of a substance to heat
flow. The larger the R value, the more resistant the substance is toheat flow and heat loss. The total resistance is the sum of each substance’s resistance.

ITEM
COST
acid core solder
$2.49
solder paste
$0.59
stop valve
$2.85
90° elbow
$0.43
-inch copper tubing
$5.34
Transcribed Image Text:ITEM COST acid core solder $2.49 solder paste $0.59 stop valve $2.85 90° elbow $0.43 -inch copper tubing $5.34
RVALUES FOR CERTAIN MATERIALS
MATERIAL
R VALUE
Air space (34 inches)
0.97
Brick veneer
0.56
Fiberglass insulation (3 inches)
11.00
Wallboard (interior)
0.79
Wood siding and building paper
0.86
Transcribed Image Text:RVALUES FOR CERTAIN MATERIALS MATERIAL R VALUE Air space (34 inches) 0.97 Brick veneer 0.56 Fiberglass insulation (3 inches) 11.00 Wallboard (interior) 0.79 Wood siding and building paper 0.86
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