The signal given by extending both arms and moving them rapidly back and forth horizontally is _____
a. lower the boom
b. swing the boom sideways
c. raise the load
d. emergency stop
d
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____ are used throughout commercial construction to span large distances.
A. Bridges B. Beams C. Trusses D. Struts
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Using the results for Problems 8-16 and 8-19, compare the two different approaches used for computing cycle length.
What will be an ideal response?
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A planetary gear set consists of a ____________________ gear, a ____________________ gear and several ____________________ gears mounted in a planetary ____________________.
Fill in the blank(s) with the appropriate word(s).
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To find the length of a common rafter, you must know the run of the rafter and its ____.
A. overhang B. material composition C. rise per foot of run D. density
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