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i. Explain what an S-N curve is, including a sketch. How is such a curve typically determined in the laboratory?
ii. Explain what is meant by the terms endurance limit and fatigue limit.iii. Fatigue testing of metals is often conducted at a constant R ratio. Define the R ratio for a fatigue test.Commercially pure titanium alloy with an ultimate tensile strength of 650 MPa is tested at an R ratio of 0.1. The endurance limit at 107 cycles is found to be 180 MPa.
i. Calculate the mean stress in a fatigue test with a stress amplitude of 180 MPa and an R ratio of 0.1.ii. Use the Goodman equation to calculate the endurance limit at a mean stress of 0 MPa for this alloy.
consider a market where supply and demand are given by qxs -14 px and qxd 91 - 2px. suppose the government imposes a
After consuming one Coke, John has a total utility of 10 utils. After two Cokes, he has a total utility of 25 utils. After three Cokes, he has a total utility of 50 utils. Does John show diminishing marginal utility for Coke.
Illustrtae what does this imply about the effectiveness of monetary and fiscal policy to reduce the unemployment rate.
Transaction costs are inherent in the trade-off between risks and uncertainties. Propose how one can determine the efficient levels of information in an organization to justify taking risk over uncertainty.
What would you expect to happen to the nominal yields on 1-year T-notes during the period ov er which these changes in inflation expectations and required real yields occurred? (Give a numerical answer if possible) Explain your reasoning
the grocery store next door provide an offers to double coupon night for Senior Citizens.
If the price set is the profit-maximizing price, elucidate the price elasticity of demand for calculators faced by the plant.
Illustrtae what are the nominal rates of interest for both the United States and the euro area?
Antitrust authorities at the Federal Trade Commission are reviewing your company's recent merger with a rival firm. The FTC is concerned that the merger of two rival firms in the same market will increase market power.
Determine the profit at the revenue maximizing level and the profit maximizing level.
A perfectly competitive industry is characterized by the cost function for individual firms: TC(q) = 0.01q2 + 100
What is the monopolist's profit maximizing price c) What is the profit maximizing quantity for this monopolist d) How much profit is the monopolist making e) Suppose the market is no longer depicted by a monopoly, but has become perfectly competiti..
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