143. Which of the following is not a built-up shape? Double angles c. Plate girders d. Unequal leg angles Box shapes from channels or plates 145. It is the term for the steel as received from the steel producer or warehouse before being cold worked as a result of fabricating operations a. Ordinary Steel c. Virgin Steel b. Original steel d. Cold steel More carbon content in a steel composition means ? a. More ductile but stronger c. More brittle but stronger More brittle but weaker b. More ductile but weaker d. 146. a. b.

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Introduction to Engineering Design

Students are often confused with engineering and design. The term engineering design has two words with different meanings, engineering, and design. The term engineering implies applications of laws and principles of science to design and analyze physical structures and components. In civil engineering, students apply the concept of physics and chemistry to design and build structures and buildings. In engineering disciplines, the term design means determining the dimensions, loads, and associated influences on the component due to the applied loads such as stresses and deformations. The estimation of such parameters is crucial to make the component or structure foolproof.