Describe the practice of conventional revolution and explain why true projection is a poor practice when this application is used.
What will be an ideal response?
When the true projection of a feature results in foreshortening, the feature should be revolved onto a plane perpendicular to the line of sight as in Figure 13.22. The revolved spoke shown gives a clear representation. The true projection is poor practice because the spoke is foreshortened.
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The M. temperature for carbon steels is about ____.
A. 200°F to 400°F B. 400°F to 600°F C. 600°F to 800°F D. 800°F to 1000°F
Which temperature is warmer: -2°F or 3°F?
A) -2°F B) 3°F
Cutting a 2? (5 cm) aluminum plate requires a(n) _____
a. low gas flow rate b. high-cutting amperage c. low-cutting amperage d. oxygen/air plasma/shield gas combination
Technician A says that CRI is a measurement of color-corrected light. Technician B says that CRI stands for color rendering index. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B