There is no single best solution for water supply piping for a green home. ____ has a high-recycled content and is fully recyclable, but it has a much higher embodied energy than other pipes.

A. CPVC
B. PP-R
C. PEX
D. Copper


Answer: D

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When using Type N portland cement-lime mortar, use _____ .

A. 2 parts portland cement, 1 part hydrated lime, and 5 parts sand B. 1 part portland cement, 1 part hydrated lime, and 6 parts sand C. 1 part portland cement, 2 parts hydrated lime, and 3 parts sand D. 2 parts portland cement, 3 parts hydrated lime, and 4 parts sand

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As brake fluid ages, what happens?

A) The color changes to purple B) The boiling temperature decreases C) The boiling temperature increases D) The viscosity (thickness) decreases

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How long will it take to complete this instruction? MOV A, Rn

A) 1 ?s B) 2.5 ?s C) 10 ?s D) 5 ?s

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The maximum number of inputs of the same device series that the output of a logic device can drive and still meet its operating specification is called ________

A) fan in B) load power C) fan out D) load limit

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