____________________ is the percentage that a 2-inch piece of weld will stretch before it breaks.
Fill in the blank(s) with the appropriate word(s).
Elongation
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Investigate current designs for one or more of the items listed below. If you do not have the items in your possession, purchase them or borrow from friends. Conduct the following “reverse engineering” procedures on each of the items:
(a) Write down the need that the design satisfies. (b) Disassemble the item and list all the parts by name. (c) Write down the function of each of the parts in the item. (d) Reassemble the item. (e) Write down answers to the following questions: ? Does the item satisfactorily solve the need you stated in part (a)? ? What are the strengths of the design? ? What are the weaknesses of the design? ? Can this design be easily modified to solve other needs? If so, what needs and what modifications should be made? ? What other designs can solve the stated need? The items for your study are the following: ? smartphone ? disposable camera ? flashlight ? calculator ? printer
Which of the following is true of a vehicle speed sensor?
A. It generates an AC signal. B. It uses a permanent magnet. C. It senses output shaft speed. D. All are correct
If the end of the filler rod is removed from the shielding gas protection, ____.
A. it will cool rapidly B. it will oxidize rapidly C. air will mix with the shielding gas D. turbulence will increase
Analyze the frame in Figure P11.17 by moment distribution. Determine all reactions and draw the shear and moment curves locating points of inflection and labeling values of maximum shear and moment in each span. Given: EI is constant.
