Find the perimeter and acreage of the field shown in Figure 3-4. (Note: 10 sq ch = 1 acre.)
scale drawing
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The ____ test is used to determine the water and cement content of fresh concrete.
A. slump B. cement content C. air-content D. unit weight
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Motors that used a centrifugal switch to disconnect the start windings cannot be used with variable voltage control.
Answer the following statement true (T) or false (F)
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What is a HEPA filter?
A) A filter for heated pans B) A very-high-efficiency air filter C) A filter for a steam heating coil D) A high-efficiency water filter
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This roof is one of the most common types of roof used in residential construction:
A. mansard B. shed C. gable D. A-frame E. gambrel
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