In a ratio control system, how many variables are uncontrolled?
A. none
B. one
C. all but one
Answer: B
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Wounding cuttings can enhance rooting by: ________, ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
What has been the major problem in determining grazing capacity on rangelands?
A) Variation in precipitation over years B) Lack of methods to determine grazing capacity C) Lack of knowledge on how much use range plants can withstand D) Lack of good information on how much livestock eat
In a series circuit, the total _____ is equal to the sum of the individual resistors.
A. current B. amperage C. voltage D. resistance
When the gain of a proportional controller is 4, it will cause the process variable to change more quickly than if the gain is 1.
Answer the following statement true (T) or false (F)