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a) A simply supported beam with a rectangular cross section supports uniform load q. (see figure). Indicate which of the following 2D stress elements best describe the stresses on an element at a distance (a) from the origin point and a distance h'4 from the top surface of the beam at B. Y (0.0) L (i) (ii) (iii) (iv) b) Which one of the figures given below represents the Mohr's circle for the selected state of stress element in part (a)? (i) (ii) (iii) (iv) +o to +T c) For the selected Mohr's circle, both principal stresses (o,, o,) have: i One principal equal to zero and the second principal greater than zero ii. Unequal magnitude but opposite sign iii. Equal magnitude but opposite sign iv. Unequal magnitude but same sign d) The magnitude of the average principal stress (o) is equal to: i The stress in x-direction (o.) ii. Half of the stress in x-direction (o/2) 111. The shear stress (t)

a) A simply supported beam with a rectangular cross section supports uniform load q. (see figure). Indicate which of the following 2D stress elements best describe the stresses on an element at a distance (a) from the origin point and a distance h'4 from the top surface of the beam at B. Y (0.0) L (i) (ii) (iii) (iv) b) Which one of the figures given below represents the Mohr's circle for the selected state of stress element in part (a)? (i) (ii) (iii) (iv) +o to +T c) For the selected Mohr's circle, both principal stresses (o,, o,) have: i One principal equal to zero and the second principal greater than zero ii. Unequal magnitude but opposite sign iii. Equal magnitude but opposite sign iv. Unequal magnitude but same sign d) The magnitude of the average principal stress (o) is equal to: i The stress in x-direction (o.) ii. Half of the stress in x-direction (o/2) 111. The shear stress (t)

Elements Of Electromagnetics
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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a) A simply supported beam with a rectangular cross section supports uniform load q. (see figure). Indicate which of the following 2D stress elements best describe the stresses on an element at a distance (a) from the origin point and a distance h/4 from the top surface of the beam at B. Y B. (0,0) L (i) (ii) (iii) (iv) Lz Lz b) Which one of the figures given below represents the Mohr's circle for the selected state of stress element in part (a)? (i) (ii) (iii) (iv) to +o +T +T +T c) For the selected Mohr's circle, both principal stresses (6,, 0,) have: i. One principal equal to zero and the second principal greater than zero ii. Unequal magnitude but opposite sign iii. Equal magnitude but opposite sign iv. Unequal magnitude but same sign d) The magnitude of the average principal stress (o) is equal to: i. The stress in x-direction (o,) ii. Half of the stress in x-direction (o,/2) iii. The shear stress (Ty)
Transcribed Image Text:a) A simply supported beam with a rectangular cross section supports uniform load q. (see figure). Indicate which of the following 2D stress elements best describe the stresses on an element at a distance (a) from the origin point and a distance h/4 from the top surface of the beam at B. Y B. (0,0) L (i) (ii) (iii) (iv) Lz Lz b) Which one of the figures given below represents the Mohr's circle for the selected state of stress element in part (a)? (i) (ii) (iii) (iv) to +o +T +T +T c) For the selected Mohr's circle, both principal stresses (6,, 0,) have: i. One principal equal to zero and the second principal greater than zero ii. Unequal magnitude but opposite sign iii. Equal magnitude but opposite sign iv. Unequal magnitude but same sign d) The magnitude of the average principal stress (o) is equal to: i. The stress in x-direction (o,) ii. Half of the stress in x-direction (o,/2) iii. The shear stress (Ty)
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