____ is the difference between the set point and the value of the measured variable.
A. Offset
B. Steady-state error
C. Either a or b
Answer: C
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If the wooden handle on a tool is cracked, _____.
a. it may be safely used until it breaks b. it can be repaired with electrical tape c. tag the tool out of service and do not use it d. it can be used until the crack exceeds 1/4” (6 mm)
Given the following information what conclusion can be made? a = 22 cm, b = 7 cm, c = a + b.
Fill in the blank(s) with the appropriate word(s).
(a) In the Wheatstone bridge circuit of Fig. 4.147 select the values of Ra and Rb such that the bridge can measure R? in the range of 0-25 ?. (b) Repeat for the range of 0-250 ?.
 FIGURE 1.png)
This is one of the most common systems for heating and air conditioning circulates the air from the living spaces through or around heating or cooling devices:
A. central forced-air system B. forced-air system C. circulating forced-air system D. central-air system E. all of the above