In a feedforward system, the following error signal is kept at zero if __________.
A. C = E and FF = F
B. C = FF and E = F
C. C = F and FF = E
Answer: C
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An IR autofocus system has emitter and detector apertures separated by 1cm and modeled as pin holes. The light reflected from an object at range r casts a spot that is detected at a displacement of 0.1mm from the detector axis. The detector lies 0.5cm behind the pin hole. The value of r equals _____ (x.x m)
Fill in the blank(s) with the appropriate word(s).
An inventory of steel angle in four areas of a welding shop is 13 feet, 47 feet, and 22 feet. What is the total angle in inventory, in feet?
What will be an ideal response?
The subsequent problems deal with the circuit below where the preset and clear features operate based on positive logic (i.e., they are "active high"), which is not the standard convention.
Note: Each question is independent and doesn't depend on results from previous questions. The only values known initially are the values provided in each question.When R=0, C=0, and L changes from 0 to 1, the output X
A. is uncertain B. toggles regardless of its value C. remains unchanged (regardless of whether the initial value is 0 or 1) D. becomes (or remains) 1 E. becomes (or remains) 0
Cabinet drawings are a type of oblique drawing in which depth is measured at full scale.
Answer the following statement true (T) or false (F)