The horizontal lines of a ladder diagram are referred to as __________.
A. rungs
B. power ports
C. rails
D. tracks
Answer: A
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Materials are toxic if:
A. They react violently with water or other chemicals. B. They burn the skin or dissolve metals or other materials. C. They exceed levels greater than 100 times that in drinking water. D. They release cyanide gas.
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The movement of turning your head is called
A) adduction. B) rotation. C) inversion. D) supination. E) circumduction.
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____________________ is when the rise and fall from positive to negative is the same amount.
Fill in the blank(s) with the appropriate word(s).
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For an open-root V-groove weld, the thickness of the root reinforcement should be no more than _____
a. 1/32? (0.8 mm) b. 1/16? (1.6 mm) c. 1/8? (3.2 mm) d. 3/16? (4.8 mm)
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