____ are very important to mechanisms, because they transmit the input motion or force to the desired output location.
A. VRs
B. Vectors
C. Linkages
D. Levers
Answer: C
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Efflorescence in masonry refers to _______.
A) yellow spots in masonry walls. B) excessive chippage of masonry units. C) excessive warpage of masonry units. D) white spots in masonry walls. E) none of the above.
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____ added to water will neutralize battery acid on the skin.
A. Vegetable oil B. Eggs C. Milk D. Baking soda
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You can change the pattern of permission settings by using the ____ command.
A. chperm B. chmod C. chsec D. chown
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Which of the following are alloy cast iron castings used for?
A. pistons B. brake drums C. crushing machinery D. crankcases E. all of the above
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