____ digesters maximize biogas production through the use of a large, plastic surface area

a. Covered lagoon c. Plug flow
b. Complete mix d. Fixed film


D

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____ is a green building certification program administered by the United States Environmental Protection Agency.

A. ENERGY STAR B. GBI C. ATHENA D. BREEAM

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A strongback to brace the risers must be installed a minimum of every _____.

a. 5 feet b. 4 feet c. 3 feet d. 2 feet

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The pressure reading in the system when it is not operating is called ____________________.

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

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Analyze the rigid frames in Figure P14.10, using symmetry to simplify the analysis. Compute all reactions and draw the moment diagrams for all members. Also E is constant.

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