The major classifications for welding machines are multiple coil, movable coil, and ____.
A. inverter type
B. extension type
C. gauntlet type
D. spec type
Answer: A
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What are the two major factors to consider when examining thermal properties?
What will be an ideal response?
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When the materials in a metallic piping system increase in temperature, the piping _____.
a. expands b. contracts c. vibrates d. sweats
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Urban areas do not have many resources for people who want to grow food
Indicate whether the statement is true or false.
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Of the types of protein in feed, which type can animals digest and use?
a. Digestible c. Refined b. Crude d. Free
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