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Question 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.

True or False a) “If the most conservative fatigue criterion were used for infinite life design, the first cycle yield check is not needed.”  b) If an accurate value for the notch sensitivity is hard to find, I should consider the fatigue stress concentration factor higher than the stress concentration factor under static loading condition in design.  c) It is easier to find the asymptotic value of fatigue strength as the endurance limit on the S-N curve for a brass alloy (Cu70Zn30) than that of endurance limit on the S-N curve for an AISI 1045 steel.

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Using the figure from Question 2, imagine the lamp gets heavier and heavier until one of the cables breaks. If all of the cables have the same tensile strength, a) which one will break first, and b) why will that one specifically break first? You do not need to provide Given, Assume, and Problem Type/Features for this question. You just need to provide Find, Analyses and a Conclusion. Provide an explanation for b) that isclear, concise, correct and well organized. Use at least one diagram (2D or 3D) to make your case as to why one of them will break before the others. You can use equations/math to support your explanation as well, if you want, but expressing your answer in words and using logic will be all that is necessary. Youranswer to a) i.e. which one will break first, can be your “Conclusion” to Question 3

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True, False or Uncertain. Explain your answer. Own wage elasticity JELLlincrease if product demand elasticity n? is high. In short run, when there is an increase in wage rate, each firm will hire less labor and so the industry labor demand is simply the horizontal summation of firm's labor demand. а. b. Labor demand is represented by the marginal revenue produce schedule (MRP) when we have competitive product market while it will be represented by the value of marginal product schedule (VMP) when we have a product market monopolist. When elasticity of substitution, SLK, increase that means the L and K are less substitutable, and the isoquant will be L-shaped. Minimum wage imposed by the government is always bad for the economy because it increase unemployment and deadweight loss. с. d. e. 3.

6. A die forge press operates an average of 1000 hr/yr. Under a minimal repair concept, machine failures generated a nonhomogenous Poisson process having the following intensity function with t measured in operating hours: p (t) = 0.0000391t 07. When the machine has failed, the repair time is lognormal with tmed -7.0 hours and as hape parameter of 0.8. a) Write the expression for and calculate the MTBF, mean time between failures, for the mission time of 5 yr = 5,000 hr. b) Using this information over the 5 yr mission time, write the expression for and calculate the average inherent, steady state, Availability, Ainh of the mission time of 5 yr operating life of the press.

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