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CONFIDENTIAL BNJ 30203 Q1 (a) There are six engineering design processes that engineers follow to come up with a solutio
Posted: Sat May 21, 2022 1:22 am
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- Confidential Bnj 30203 Q1 A There Are Six Engineering Design Processes That Engineers Follow To Come Up With A Solutio 1 (65.64 KiB) Viewed 11 times
CONFIDENTIAL BNJ 30203 Q1 (a) There are six engineering design processes that engineers follow to come up with a solution to a problem. Specifically, explain the process of 1) Synthesis and 2) Analysis and Optimization in the process of producing a portable chair/walking stick as in Figure Q1 (a). (9 marks) (b) A free-body diagram is a sketch of an object of interest with all the surrounding objects stripped away and all of the forces acting on the body. Describe the importance of free- body diagram in engineering design. (4 marks) (c) Figure Q1 (c) shows an element with triaxial stresses in which this element undergoes both volume change and angular distortion. Given tensile yield strength Sy = 60 ksi, on = 20 ksi, 02 = 0 ksi and 03=-25 ksi, respectively. Determine the factor of safety of the design based on: i. Maximum shear stress theory (3 marks) ii. Distortion energy theory (4 marks)