The proportional gain will be 4 if the output changes by 80 percent when the input changes by ____ percent.

A. 10
B. 20
C. 80
D. 320


Answer: B

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Not all the groundwater remains available for use. The groundwater mixes with seawater and also flows into the sea below the surface. The infiltration, I, and removal of water from the watershed by subsurface groundwater discharge to the sea is shown in Table 3.13. Calculate, S, in the water budget equation account for all water available in BOTH groundwater and surface water storage.

Apply the water budget equation to evaluate the urgency of water management measures for the island nation of Malta. What will be an ideal response?

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Placing medium-textured sand over a layer of pea gravel or crushed stone creates a ____ water table

A) pinched B) poached C) ?pitched D) perched

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Determine the following for the quarterly cash flow estimates. (a) i* value or values; (b) if an MARR of 5% per quarter is achievable; and (c) the minimum revenue in quarter 8 that will generate an i* that meets the MARR.

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?Besides HDPE, which material is commonly used in earth loop heat exchanger piping?

A. ?PEX B. ?APEX C. ?stainless steelĀ  D. ?copperĀ 

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