To check the quality of groundwater, many construction sites _____.
a. test samples weekly
b. dig monitoring wells
c. set up a testing laboratory
d. request EPA inspections
Answer: B
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The two types of bearings used in the heating, cooling, and refrigeration industry are ____________________ bearings and sleeve bearings.
Fill in the blank(s) with the appropriate word(s).
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What pumping principle is used on transfer pumps on a majority of diesel engines today?
A. reciprocating plunger B. centrifugal C. gear D. swash plate
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Find Req for the circuit in Fig. 2.94.
 FIGURE 1.png)
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A practical application of an S curve operation is a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
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