Which of the following is a single 2 × 4 run end to end on top of ceiling joists and provides lateral support?

A) Ribband B) Strongback C) Wood splice plate D) Stub joist


A

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A heating thermostat closes on a(n) ____________________ in temperature.

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

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Explain why a cutting torch should never be used to open a used can, drum, tank, or other sealed container.

What will be an ideal response?

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Chromium carbides form when the metal is between ____ Fahrenheit.

A. 200° and 500º B. 500° and 800º C. 800° and 1500° D. 1500° and 2000°

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What tailpipe emission can only be reduced by increasing fuel efficiency?

A. Carbon dioxide. B. Particulate matter (PM). C. Ozone. D. Nitrogen dioxide.

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