What is the ratio of this gear set (small gear driving)?
A) 2:1
B) 3:1
C) 3.5:1
D) 1.5:1
A) 2:1
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The manager of a canned-food processing plant has two labeling machine options. On the basis of a rate of return analysis with a MARR of 20% per year, determine (a) which model is economically better, and (b) if the selection changes, provided both options have a 4-year life and all other estimates remain the same.
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What is magnetorheological (MR) fluid and what is its purpose?
What will be an ideal response?
Time delays are often encountered in engineering systems. They can be approximated using Euler’s definition as
If T = 1 and N = 1, then the approximation can be implemented by the circuit of Problem 8.17 (see Figure P8.17), with the addition of a unity gain inverting amplifier to eliminate the negative sign. Modify the circuit of Figure P8.17 as needed, and use it as many times as necessary to design an approximate time delay for T = 1 and N = 4 in Euler’s definition of the exponential.
