Do metals (such as steel and aluminum) expand or contract greater than plastics, such as (polyethylene and nylon) when subjected to the same temperature change?
What will be an ideal response?
Metals expand and contract less than plastics.
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For complex or irregularly shaped objects, ____________________ may be added to the bill of materials to fully describe certain parts.
Fill in the blank(s) with the appropriate word(s).
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Explain the purpose of safe work permits.
What will be an ideal response?
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When one-half of an object is removed to be able to see the remaining section, a(n) ____ has been used.
A. half section B. removed section C. aligned section D. offset section E. none of the above
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DC drives give the DC motor which of the following characteristics?
A. controlled acceleration and deceleration B. high starting horsepower C. high running horsepower D. good speed regulation E. all of the above
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