The __________ is the difference between the condition of the controlled variable and the set point.
A. measured variable
B. feedback signal
C. error signal
Answer: C
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If a roof has an area of 3,000 square feet and a designed water depth of 6 inches, the number of gallons of water it can hold is _____.
a. 9,550 b. 10,700 c. 11,250 d. 14,875
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Mr. Smith has a farm with 1/ /3 mile of road frontage. How many feet of road frontage does he own?
What will be an ideal response?
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The tensile strength rating of steel usually exceeds yield strength by:
A. 10 percent B. 25 percent C. 50 percent D. 100 percent
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There are approximately 61 billion dogs and 74 billion cats
A. True B. False
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