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?
 FIGURE 1.png)
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