When steel is rolled while it is cold, it _____
a. gets softer
b. is annealed
c. gains tensile strength
d. gets thicker
c
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In solid-state technology, electrons move through a(n) ____ piece of semiconductor material, typically silicon or germanium.
a. solid b. ionized c. gaseous d. metallic
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Where does the energy come from to power the water cycle (hydrologic cycle)?
What will be an ideal response?
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How can performing planned maintenance save the customer money?
What will be an ideal response?
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A block of metal has a 90° notch cut from its lower surface. The notched part rests on a circular cylinder of diameter 2.0 cm, as shown in Figure 4.15. If the lower surface of the part is 1.3 cm above the base plane, how deep is the notch?
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