Joists are toenailed into position with at least two ____ D (3-inch) nails.
a.3
b.6
c.10
d.16
ANS: C
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Which of the following would not typically affect crane stability during a lift?
a. Accuracy of the load’s weight information b. Buoyancy effects for submerged lifts c. New wire rope on the main hoist drum d. Shifting of the load center of gravity (CG) during the lift
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A rubber ball has a diameter of three inches. What is its volume?
a. 4.2 in3 b. 42 in3 c. 1.4 in3 d. 14 in3
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What is meant by the term "COP"?
What will be an ideal response?
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For a metric micrometer reading of 6.54 mm, how many 0.5 mm graduations show up beyond the numbered divisions on the barrel?
A. 0 B. 1 C. 2 D. 4
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