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# Exam 1 - Prob 1 Prob 2 Prob 3 Prob 4 Total 20 30 25 25 100...

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Name: Section: Problem 1: (20 Points.) For each of the questions given below circle the best answer. 1. In a LVDT(shown below) the sensing element is a. the core. b. the primary and secondary coils. c. the combination of the core and the secondary coils. d. none of the above. 2. Assuming that measurements in a given experiment follow the normal probability distribu- tion, approximately what percentage of the measurements fall within standard deviations of the mean? a. 95% b. 99% c. 67% d. 98% 3. A strain gauge can be used to measure a. mechanical strain. b. mechanical stress. c. force/load. d. all of the above 4. Given a set of probable events, in a uniform distribution, every event has a. zero probability of occurrence. 2 ±
Name: Section: b. 100% probability of occurrence. c. 50% probability of occurrence. d. the same probability of occurrence as any other event in the given set. Problem 2: (30 Points.) In an experiment conducted to measure the modulus of elasticity of a type of alloy the following data are obtained: Note that the circular rod used as the test article is under tension and its cross sectional area is 2.5 square inches and its length is 10 inches.

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Exam 1 - Prob 1 Prob 2 Prob 3 Prob 4 Total 20 30 25 25 100...

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