Silicon is widely used as a semiconductor because it _____.

a. has no valence electrons
b. only has one valence electron
c. has a negative charge
d. withstands heat


d. withstands heat

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There are many forms of design documentation, but the most common form is a ____.

A. finished detailed drawing B. CAM model C. concept map D. selective laser model

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What is the term that refers to a temperature spread in a water heater tank that results in the first water out of the tank being too hot to be safe?

a. stacking b. overheating c. convection d. conduction

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Sometimes the shielding gas is referred to as the shielding ____________________.

Fill in the blank(s) with the appropriate word(s).

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Which type of vehicle is considered to be a ZEV?

A) A plug-in electric vehicle (PHEV) B) An electric vehicle (EV) C) A hybrid electric vehicle (HEV) D) All of the above

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