What does the pH in the soil indicate?
A) nutrient content
B) acid content
C) water content
D) fertilizer content
B
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Water chillers require a(n) ____________________ in the chiller control circuit to ensure that the chilled water pump is operating before the water chiller refrigeration unit operates.
Fill in the blank(s) with the appropriate word(s).
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Determine the equivalent impedance of the circuit in Fig. 9.80.
 FIGURE 1.png)
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What is the tooth spacing in inches of a 16 pitch saw blade?
A) 1/64 (.015 ) in. B) 1/8 (.125 ) in. C) 1/32 (.03125 ) in. D) 1/16 (.0625 ) in.
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Unless otherwise noted, the calculations in AC circuits use _____
a. peak values b. median values c. phase values d. rms values
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