Using a sketch, explain the difference between a roof truss and a floor truss. In which situations will you consider the use of wood floor trusses?
What will be an ideal response?
See the Instructor's Manual (IM).
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____ is the time between the first application of electrode force and the first application of welding current.
A. Squeeze time B. Hold time C. Weld time D. Off period
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When repairing a weld, use a(n) _____ or similar low-hydrogen electrode.? ?
Fill in the blank(s) with the appropriate word(s).
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The unit used in the SI system for all forms of energy is:
A) Watts. B) Joules. C) Therms. D) Horsepower.
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Refer to the figure. For a pipe diameter of 2", find the measurement between the tee and the ell.
Fill in the blank(s) with the appropriate word(s).
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