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1
GATE ME 2023
MCQ (More than One Correct Answer)
+1
-0
The principal stresses at a point P in a solid are 70 MPa, −70 MPa and 0. The yield stress of the material is 100 MPa. Which prediction(s) about material failure at P is/are CORRECT? 
A
Maximum normal stress theory predicts that the material fails
B
Maximum shear stress theory predicts that the material fails
C
Maximum normal stress theory predicts that the material does not fail 
D
Maximum shear stress theory predicts that the material does not fail
2
GATE ME 2023
MCQ (More than One Correct Answer)
+1
-0

Which of the plot(s) shown is/are valid Mohr’s circle representations of a plane stress state in a material? (The center of each circle is indicated by O.)

GATE ME 2023 Strength of Materials - Complex Stresses Question 4 English
A
M1
B
M2
C
M3
D
M4
3
GATE ME 2022 Set 2
MCQ (Single Correct Answer)
+1
-0.33
A structural member under loading has a uniform state of plane stress which in usual notations is given by σx = 3P, σy = -2P and τxy = √2 P, where P > 0. The yield strength of the material is 350 MPa. If the member is designed using the maximum distortion energy theory, then the value of P at which yielding starts (according to the maximum distortion energy theory) is
A
70 MPa
B
90 MPa
C
120 MPa
D
75 MPa
4
GATE ME 2022 Set 1
MCQ (More than One Correct Answer)
+1
-0
Assuming the material considered in each statement is homogeneous, isotropic, linear elastic, and the deformations are in the elastic range, which one or more of the following statement(s) is/are TRUE?
A
A body subjected to hydrostatic pressure has no shear stress
B
If a long solid steel rod is subjected to tensile load, then its volume increases
C
Maximum shear stress theory is suitable for failure analysis of brittle materials
D
If a portion of a beam has zero shear force, then the corresponding portion of the elastic curve of the beam is always straight.
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