An error signal develops when which of the following conditions occur?
A. the set point is changed
B. a disturbance appears
C. the load demand varies
D. all of the above
Answer: D
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A(n) ____________________ of enclosure can only be used where there were no problems of moisture, dust, or explosive fumes.
Fill in the blank(s) with the appropriate word(s).
How should terminal space be measured from the end of the lug or wire connector?
a. In a straight line b. At a 90° angle c. Starting at the opposite end d. Diagonally from the lug to the point where the wire leaves the terminal
Which of the following may affect an animal's weight?
a. The climate in which it lives b. The number and types of parasites it is exposed to c. The amount and type of feed given to it d. All answers are correct.
The diagonal braces or solid wood blocks installed between floor joists and are used to distribute the weight put on the floor are called __________.
a. ribbons b. bridging c. sills d. footings