List the steps in sketching circles and arcs in perspective.
What will be an ideal response?
STEP 1 Lay out the four sides of the square that correspond to the diameter of the required circle. Note that two of the sides converge toward the vanishing point.
STEP 2 Draw the center lines.
STEP 3 Draw the diagonals.
STEP 4 Locate the midpoints of the triangles that were formed.
STEP 5 Sketch the circle through the points where the center lines touch the sides of the square and the midpoints.
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The symbol for the projection weld is identical to the spot-weld symbol.
Answer the following statement true (T) or false (F)
Signs indicating location of deliveries, one-way roadways, and locations of contractors' offices are known as ____.
A. safety information signs B. project signs C. directional signs D. gate signs
Which of the following electrical distribution designs offers the most flexibility for future changes?
A) Cellular deck. B) Access floor. C) Poke-through.
PROBLEM 3.88The stepped shaft shown must transmit 45 kW. Knowing that the allowable shearing stress in the shaft is 40 MPa and that the radius of the fillet is mm, determine the smallest permissible speed of the shaft.
