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GATE 2019 Strength of Materials Day 6 Quiz

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Question 1

If the principle stresses in a two-dimensional case are -10MPa and 20MPa respectively, then maximum shear stress at the point is

Question 2

The state of 2D–stress at a point is given by the following matrix of stress:
Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\Civil-Engineering-2013_files\image063.png
What is the magnitude of maximum shear stress(Radius of Mohr's circle) in MPa?

Question 3

In a two-dimensional stress analysis, the state of stress at a point is shown below. If σ = 120 MPa and τ = 70 MPa, then σx and σy are respectively. (AB=4, BC=3, AC=5)

Question 4

For the stress state (in MPa) shown in the figure, the major principal stress is 10 MPa.

The shear stress τ is

Question 5

The state of stress of an element is given as follows.
The value of normal stress are , and major principal stress .Then the value of shear stress is.

Question 6

The principal strains at a point in a strained material subjected to principal stresses are 720 x 10-6 and -560 x 10-6. What will be the magnitude of principal stresses (in N/mm2) if E = 200 x 103 N/mm2 and μ = 0.29?
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Nov 26ESE & GATE CE