1
GATE ME 2023
MCQ (Single Correct Answer)
+1
-0.33

The effective stiffness of a cantilever beam of length L and flexural rigidity EI subjected to a transverse tip load W is

GATE ME 2023 Strength of Materials - Deflection of Beams Question 1 English
A
$\rm \frac{3El}{L^3}$
B
$\rm \frac{2El}{L^3}$
C
$\rm \frac{L^3}{2El}$
D
$\rm \frac{L^3}{3EI}$
2
GATE ME 2023
MCQ (More than One Correct Answer)
+1
-0

A beam is undergoing pure bending as shown in the figure. The stress (𝜎)-strain (πœ€) curve for the material is also given. The yield stress of the material is πœŽπ‘Œ. Which of the option(s) given represent(s) the bending stress distribution at cross-section AA after plastic yielding? 

GATE ME 2023 Strength of Materials - Pure Bending Question 1 English
A
GATE ME 2023 Strength of Materials - Pure Bending Question 1 English Option 1
B
GATE ME 2023 Strength of Materials - Pure Bending Question 1 English Option 2
C
GATE ME 2023 Strength of Materials - Pure Bending Question 1 English Option 3
D
GATE ME 2023 Strength of Materials - Pure Bending Question 1 English Option 4
3
GATE ME 2023
MCQ (More than One Correct Answer)
+1
-0
The principal stresses at a point P in a solid are 70 MPa, βˆ’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
4
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 1 English
A
M1
B
M2
C
M3
D
M4
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