quiz3s202 - c. localized heavy plastic deformation in a...

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Home Introduction Policies Requirements & Grading Resources Syllabus Assignments Handouts Discussion Web Links Distance Learners Contact QUIZ#3 MSE 200 Quiz 4 S. S. Number: 1. Plastic deformation by slip takes place under the action of a. shear b. tension c. compression (a ) 2. Schmid's law states that slip will take place if a. RSS <CRSS b. RSS>CRSS c. RSS= applied stress (b ) 3.Slip system consists of a. close packed plane and close packed direction in the plane b. Close packed plane and the normal to it c. Close packed direction and normal plane to it (a )
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4.Theoretical CRSS compared to the experimental value is a. lower b. higher c. equal (b ) 5. CRSS in fcc metals is a. high b. low c. depends on impurity (b ) 7.Necking is a. failure of the sample at the grips b. failure of the sample in shear
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Unformatted text preview: c. localized heavy plastic deformation in a test sample (c ) 8. The quantity that remains constant during deformation is a. load b. strain c. volume of the sample (c ) 9. Maximum in the stress-strain curve appears in a. engineering stress-strain curve b. true stress-true strain curve c. load- elongation curve ( a) 10. Dislocation density during plastic deformation to failure increases by a fcator of a. 10 3 b.10 8 c.10 (b ) 11. Bonus question A pin in a heavy load -carrying crane in a harbor is to be designed so that the crane can transfer the load from the boats to off-shore. Choose the material that you will use for the pin: a. high alloy steel b. high alloy of aluminum c. strong ceramic (a )...
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quiz3s202 - c. localized heavy plastic deformation in a...

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