Only ____ type(s) of metal(s) is/are usually used in most weldments.
A. one
B. two
C. three
D. four
Answer: A
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The NEC requires that the ____ conductor have an outer finish that is either continuous white or gray for alternating-current circuits.
a. ungrounded b. charged c. grounded d. uncharged
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What is defined as the right but not obligation to take some action in the future?
A. Option B. Invest C. Put D. Plan
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What is the importance of the dairy industry in agriculture?
What will be an ideal response?
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Voltaic cells can be divided into two basic types: ____.
a. large and small b. primary and secondary c. conductors and insulators d. positive and negative
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