____________________ is the temperature of the metal during welding.
Fill in the blank(s) with the appropriate word(s).
Interpass
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Some manufacturers recommend a ________ hour standing pressure test before evacuation
A) 24 B) 6 C) 2 D) 12
The symbol shown in the above figure represents a _____.
a. tee
b. 45-degree ell
c. 90-degree ell
d. lateral
Young apple tree production is facilitated through a process called ____________________
Fill in the blank(s) with correct word
How is the R value determined for a composite structure, such as a wall?
A) The R value of the component with the highest R value is used. B) The R value of the component with the lowest R value is used. C) The R values of all the individual components are added together and averaged. D) The R values of all the individual components are added together.