Combining pure oxygen with a burning material causes a fire to _____.

a. burn rapidly and violently
b. pop loudly and extinguish
c. die down and then flare up
d. burn cooler and more slowly


a. burn rapidly and violently

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What term is used to describe the tendency of an object in motion, to want to stay in motion?

A. Static friction B. Dynamic friction C. Kinetic energy D. Inertia

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c. offset section This type of section is used to remove a small portion of an object to expose and clarify an internal feature.

a. broken-out section b. auxiliary section c. revolved section d. removed section

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For the best working position, the work should be ________

A) At chest or elbow level B) At neck or head level C) Overhead by about one foot D) At knee or ankle level

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Gage factor is a ratio of a change in resistance to a change in length

Indicate whether the statement is true or false

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