69 × 253 =
A) 17,557 B) 17,457 C) 17,357 D) 16,357
B
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Which of the following chemical herbicide families affects plants by causing overstimulation of
growth?
a. acetanilides c. phenoxys b. triazines d. dinitroanilines
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Using phasors, find:
 FIGURE 1.png)
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To use a fan curve, you need to know:
A) The required CFM and the static pressure the fan must operate against. B) The RPM and tip speed. C) The horsepower and efficiency. D) The CFM and the RPM.
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Convert decimal 19 to octal
A) 278 B) 178 C) 218 D) 238
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