When a DC machine is used as a generator, the _______________ performs the function of a mechanical rectifier to change the AC produced in the armature into DC before it exits the machine through the brushes.
Fill in the blank(s) with the appropriate word(s).
commutator
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How would you define bandwidth?
A) The peak frequency that can be achieved without excessive attenuation. B) The amplitude range of a system under ideal conditions. C) The number of data packets that can be transmitted legibly.
All of the following are affected by soil temperature EXCEPT:
a. Seed germination b. Root growth c. Gleying d. Weed emergence e. Biological activity of soil microorganisms f. Water and nutrient availability
When considering the total U.S. land occupied by cropland, pasture and rangeland, forest
land and other uses, the amount potentially available for ruminants, without affecting cropland acreage, is: A. Very small, about 10 percent of the total. B. Considerable, about 50 to 60 percent of the total. C. Almost all, 90 percent or more of the total.
The _____ lets a driver see the oncoming lane when maneuvering out of an emergency situation.
Fill in the blank(s) with the appropriate word(s).