Plumbing codes require the installation of reduced-pressure zone principle backflow preventer assemblies in _____.

a. swimming pools
b. car washes
c. landscape irrigation systems
d. residences


b. car washes

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In a parallel RL circuit once the voltage, and total current are known, you can apply Ohm’s Law to calculate the circuit ____________________.

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

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What is the HTM for a surface with a U valve of 1.5 and a temperature difference of 30?

A) 1.5 B) 31.5 C) 30 D) 45

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When carrying or storing a hand tool, be careful to protect its _____

a. cutting edge b. holder c. finish d. handle

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A datum is established on a cast surface by a "flag" or a symbol.

Answer the following statement true (T) or false (F)

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