Why are poinsettias such a good example of timing?
What will be an ideal response?
Poinsettias are grown and bought only at Christmas. Green poinsettias cannot be sold in
December. Poinsettias that are red and green on December 26 are likewise useless.
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Problem 1.54 Solve Prob. 1.53, assuming that the structure has been redesigned to use 12-mm-diameter pins at B and D and no other change has been made. Problem 1.53 In the steel structure shown, a 6-mm-diameter pin is used at C and 10-mm-diameter pins are used at B and D. The ultimate shearing stress is 150 MPa at all connections, and the ultimate normal stress is 400 MPa in link BD. Knowing that a factor of safety of 3.0 is desired, determine the largest load P that can be applied at A. Note that link BD is not reinforced around the pin holes.
ISO metric and ASME M profile thread series are not interchangeable with Unified thread series because of ____.
A. size variations B. strength variations C. differences in materials D. compatibility issues
A ________ expression consists of two or more AND terms that are ORed together
Fill in the blank(s) with correct word
A(n) ____ is an exact representation of an object projected onto a plane from a specific position.
A. projection B. pictorial drawing C. isometric plane D. long-axis isometric E. none of the above