How many board feet are there in (40)2" ×4" ×12' studs?

a) 384
b) 320
c) 3,840
d) 640


b

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The ultrasonic sensors used by the park guidance system require adjustment anytime they are removed or replaced.

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

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State what is meant by the cash flow approach and list two of its limitations in a replacement study.

What will be an ideal response?

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What material is used for air-conditioning drain lines?

A) Galvanized iron pipe B) Copper C) CPVC D) PVC

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What component is used to compensate for different pressure drops and load requirements?

A) Return pump B) Venturi units C) Check valve D) Balancing valves

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