An expanded plastics is similar to a sponge, bread, or whipped cream because all are ____ in structure.   ?

A. ?closed cell
B. ?cellular
C. ?dense
D. ?open cell  


Answer: B

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In mutual induction, there is an electrical connection between two or more coils.

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

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What part causes the disc brake caliper piston to retract when the brakes are released?

A) The caliper bushings B) The square cut O-ring C) Return (retracting) spring D) The rotating rotor (disc) that pushes the piston back

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Explain how an air conditioner with a fixed metering device reacts to changes in outdoor temperature?

What will be an ideal response?

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What causes a wire to become warm when current flows through it?

A. amperage B. resistance C. voltage D. divergence

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