Beam form bottoms made from plywood should be supported by 2 × 4 members and use plywood with a minimum thickness of _____.


a. 3/8"
b. 1/2"
c. 3/4"
d. 1"


c. 3/4"

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Typically a core router is equipped with a fiber optic interface

Indicate whether the statement is true or false

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When you pick up your telephone and hear the dial tone, you are interfacing with a class 2 switch

Indicate whether the statement is true or false

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Why are face shields worn during arc welding?

A) Face shields are not necessary when arc welding. B) To magnify the work area and make it easier to see C) To protect technicians from strong ultraviolet (UV) light D) To keep the technician from breathing in harmful fumes

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As opposed to true power, the figure obtained by multiplying the source voltage and current is known as ____________________.

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

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