A specimen is originally 300 mm long, has a diameter of 14 mm, and is subjected to aforce of 2.5 kN. When the force is increased from 2.5 kN to 7.5 kN, the specimenelongates 0.205 mmPart ADetermine the modulus of elasticity for the material if it remains linear elastic.Express your answer to three significant figures and include the appropriate units.HẢ?ValueGPaE =SubmitRequest AnswerProvide Feedback

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Answered: A specimen is originally 300 mm long,…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Q1. Experiments were conducted in a tension testing machine to evaluate the material properties of two metallic rods both having diameter equal to 10 mm. First rod having modulus of rigidity of the material equal to 400 tonnes/cm2 when subjected to an axial tensile force of 6 kN, the change in its diameter was observed to be 0.0018 cm. The value for the bulk modulus of the second metallic rod is same as that of the first one but modulus of elasticity 18% more. Based on the material properties calculate and compare the values of different moduli as well as Poisson's ratio for both metallic rods. Justify your answer with reasons.
Engineering materials
This steel alloy specimen had an original diameter of 12.8 mm and a gauge length of 50.80 mm: i) If it were subjected to a load of 120 kN and then released, what would have been its permanent elongation? Be thorough. ii) If it were subjected to a load of 230 kN and then released, what would have been its permanent elongation? Be thorough.
Extension Compression Determine the engineering strain "e" and the true strain "e" for each of the following situations of extending a bar of length L or compressing a billet of height h: Extension from L to 1.002 L Compression from h to 0.998 h Extension from L to 1.9L Compression from h to 0.1h Compression from h to zero height
A specimen is originally 1.5 ft long, has a diameter of 0.7 in., and is subjected to a force 550 lb. When the force is increased to 1900 lb, the specimen elongates 0.9 in. Determine the strain on the specimen and the modulus of the material. a. Strain Answer: _______ in./in. b. Modulus of Elasticity Answer: _______ ksi
A piece of steel rebar is tested in tension to determine its mechanical properties. The length of the sample is 87.3 mm and the cross-sectional area is 52.1 mm². When stretched by 37.2 mm, the force measured is 14,884 N. At this point, the graph is non-linear, but no clear neck is visible. If the Poisson's ratio of the material is 0.281, calculate the cross-sectional area (mm²) at this point.
the material had a tensile stress of 67.7 ksi then was unloaded. the original length of the specimen was 5.0 inches. show the line on the diagram you would expect the material to follow as the load was released. estimate the length of the specimen after all load was removed.
In a tensile test for an aluminum alloy, the sample is 2 inches long and 0.5 inches in diameter. The proportional portion of the tension stress-strain diagram for an aluminum alloy is shown below. Determine the axial stress of the sample under a tensile load of 9 kips: ____ ksi. Pay attention to units and calculate your answer to 1 decimal place.

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