1. Concept questions in forms of multiple choices, filling blanks, and/or computations. a) According to Eq. (3-15) on p.109 of the textbook, the roots from: o3 – 402 – 40 - 5 = 0 represent the three principal stresses of a 3D stress state. True , False b) The transverse shear should be not significant in very long beam. True_ False c) A fixed-end beam is easier to buckle than a fixed-free end beam to buckle. True_, False_ d) Distortion energy theory is mainly for the torsion failure analysis. True_ False e) The fracture toughness obtained from a thin sheet specimen should be higher than that from a thick block specimen assuming that the same material is tested. True , False

1. Concept questions in forms of multiple choices, filling blanks, and/or computations. a) According to Eq. (3-15) on p.109 of the textbook, the roots from: o3 – 402 – 40 - 5 = 0 represent the three principal stresses of a 3D stress state. True , False b) The transverse shear should be not significant in very long beam. True_ False c) A fixed-end beam is easier to buckle than a fixed-free end beam to buckle. True_, False_ d) Distortion energy theory is mainly for the torsion failure analysis. True_ False e) The fracture toughness obtained from a thin sheet specimen should be higher than that from a thick block specimen assuming that the same material is tested. True , False

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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