ENGINEERING DESIGN PROCESS
3rd Edition
ISBN: 9781305253285
Author: HAIK
Publisher: CENGAGE L
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Chapter 9.9, Problem 6P
To determine
The difference between the relative and absolute scaling in weighting function.
The reason for recommendation.
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What is the relation between product tolerance and product variation?
What is relation between product tolerance (engineering tolerance) and process variation.? Explain in some details showing some representation.
Analyze the following study in terms:
Components of variations and their contributions
X Chart and R Chart
In the context of our teaching and learning, which
one of the below statements is mostly correct
about in the creation of detailed design of a
component?
In deciding the tolerance, the guidance is the
tighter the better.
I am the designer, so I decide the required
tolerance as l like.
The tolerance is determined by the function.
The chance to manufacture component to the
exact size is like to win a lottery. I would enjoy
winning a lottery, so I should specify all the
dimensions as exact, no tolerance to be
considered at all.
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- What indices do we use to evaluate the control quality? Please write as many as possible and mark all of them on your sample drawing. Please make a clean drawing.arrow_forwardPlease answer within 30 mins show the complete solutions and select the correct answerarrow_forwardIn the context of our teaching, which one of the below statements is mostly correct about in detailed design of a component? In the reporting, I do not need to include the reasoning for my design decision for a good quality report. I cannot use appendix, so I am struck with the word limit for reporting. For a good clarity, I should not explicitly report what are the key dimensions and their tolerances in the drawing and in the body of text. The word count limit for detailed design report is 160O.arrow_forward
- using the sine bar technique, find the value of the angle for the given data: the stacked height was composed of the following values, 30, 20, 5, 2 and 1.1 mm. The length of the sine bar is 150 mm. Support your answer by sketch.arrow_forwardQuestion Five (5) In an experiment to determine mechanical properties of a material, samples from the material were subjected to a tensile force. In the process, deformations were closely monitored from the beginning of the experiment to the point when the sample failed. The observed deformations 3| Page Scanned with CamScanner were analysed and were as presented in Figure 5.1 below. Based on this figure, answer the following questions a) Using a well labelled sketch, explain what stress and strain are, and give respective SI units b) State the material properties obtained from the points labelledA, B, C and D on Figure 5.1 c) Given results similar to Figure 5.1, explain how you would determine a material's property labelled B. d) Given results similar to Figure 5.1, explain how you would determine a material's Young's modulus. e) What measurements would you take if you were to determine a materials' Poisson's ratio. D B Strain (%) Figure 5.1:Tensile stress-strain behaviour of a…arrow_forwardQuestion 4 What is relation between product tolerance (engineering tolerance) and process variation.? Explain in some details showing some representation. Analyze the following study in terms: Components of variations and their contributions X Chart and R Chart 3. Calculate the process capability (show your method). Is it acceptable? Comment on this result.arrow_forward
- Q1- Answer only one a or b a- Listed with the drawing (only) the types of phase diagrams and pointed all phases. b - Listed the types of nondestructive test method and explains one of methods which suitable for internal defects and give the advantage and dis advantage of these methods. Q2- The following data was obtained from a tensile test on Load (kN ) Extension (mm) 0.2 16 32 0.4 56 72 95 110 132 142 140 135 10.0 12.0 0.7 0.9 1.5 2.5 5.0 8.5 A specimen of 10mm diameter and gauge length 60mm. Determine the following:- 1-Draw the stress-strain curve. 2- Pointed on the curve only proof stress, ultimate tensile strength. Q3- Only Answer two branches. a- calculate the atomic backing factor for Bec. b- 10 mm diameter of Brinall hardness ball when the load 500 kgr and HB= 300 determined the diameter of indenter. C- The diminutions of the low alloy steel impact test sample as shown in fig below and the notched depth is 1.5 mm determine the impact toughness if the impact energy absorption at…arrow_forwardRound off the following number to three significant figures:68.534sarrow_forwardI need help with number 15. How much would the tolerance be? And where would the Level part go? I've attached the question and my sketch for reference.arrow_forward
- Match the following statements with the term that best describes each statement. (Enter Number ONLY) 1) Hooke's Law 2) Creep 3) Impact Strength 4) Proportional Limit 5) Fatigue 6) Elastic The tendency of a solid material to move slowly or deform permanently under the influence of mechanical stresses below the yield strength of the material. The behavior of materials that deform when loaded but return to their original shape after the load is removed. The linear relationship between stress and strain in the elastic region below the proportional limit. The phenomenon where cracks propagate under loads less than the yield stress due to cyclic loading. The material property determined using the Charpy or Izod test. The point at which the stress vs strain becomes non-linear in an elastic material,arrow_forwardAs the tempering temperature of a heat-treated steel increases, the associated values of Brinell hardness also increases, while the values of tensile strength and yield strength decrease. True False The correct definition of Dimensional Analysis is: A procedure to find the yield point of a material when no definitive yield point can be determined graphically. A procedure to calculate the Elastic Modulus. A procedure to verify the size of a mass of material. A methodical process of converting from one set of units to another set of units.arrow_forwardNonearrow_forward
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