A firestopping material that expands when heated is classified as _____.

a. endothermic
b. endoscopic
c. intumescent
d. ablative


c. intumescent

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Wood or steel frames installed between inner and outer wall forms to create window or door openings are called _____.

a. spacers b. holdouts c. bucks d. lintels

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Un sensor GFCI detectará un desequilibrio de corriente de al menos:

a. 6 microamperios. b. 4 miliamperios. c. 4 microamperios. d. 6 miliamperios.

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The technology in which the product is manufactured in assembly-line fashion by

combining component parts into a finished product is

a. large batch. b. continuous process. c. unit. d. medium batch. e. none of these.

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Water will evaporate at a slower rate when:

A) The temperature of the water is below the point of vaporization. B) The relative humidity is high C) The ambient air around it is at a low relative humidity. D) The dew point is equal to barometric pressure.

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