____ lines show the same features as object lines except that the corners, edges, and curved surfaces cannot be seen because they are hidden behind the surface of the object.
A. Extension
B. Hidden
C. Dimension
D. Center
Answer: B
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Air compressors are used to operate _____.
a. pneumatic tools b. mud pumps c. welding machines d. hydraulic tools
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Remove cows from pasture _____ to _____ hours before milking
a. 2, 4 c. 6, 7 b. 5, 6 d. 7, 8
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The correct format for multiplying 14 by 12 in a spreadsheet cell is:
A. 14*12
B. =14*12
C. =14
12
D. =(14)(12)
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Major physical elements in a closed-loop system are ________
A) Transducer and the summing junction B) Gain function and summing junction C) Transducer and the gain function D) Transducer and the disturbances
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