These materials are clay, glass, refractory, and inorganic cements that are very hard, brittle, and resistant to heat, chemicals, and corrosion.

a. carbon
b. ceramic
c. composites
d. graphite


b. ceramic

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Torque wrenches are used to measure the strength of a fastener.

Answer the following statement true (T) or false (F)

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Bacteria that work without oxygen are called _____

a. protozoa c. one cell b. anaerobic d. aerobic

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Which of these has the lowest dielectric constant?

A) Vacuum B) Paper C) Mica D) None of these

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Open-loop gain is also referred to as

A) small signal voltage ratio B) beta C) large-signal gain D) small signal gain

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