1
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
The room-temperature stress $$\left( \sigma \right)$$ - strain $$\left( \varepsilon \right)$$ curves of four materials $$P, Q, R$$ and $$S$$ are shown in the figure below. The material that behaves as a rigid perfectly plastic material is GATE PI 2015 Strength of Materials - Simple Stress and Strain Question 5 English
A
$$P$$
B
$$Q$$
C
$$R$$
D
$$S$$
2
GATE PI 2015
Numerical
+2
-0
A metallic bar of uniform cross-section with specific weight of $$100$$ kN/m3 is hung vertically down. The length and Young's modulus of the bar are $$100$$ m and $$200$$ GPa, respectively. The elongation of the bar, in mm, due to its own weight is __________ .
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3
GATE PI 2015
Numerical
+1
-0
If the principal stress values are $$120$$ MPa, $$-50$$ MPa and $$10$$ MPa in a given state of stress, then maximum shear stress in the material, in MPa, is _______.
Your input ____
4
GATE PI 2015
Numerical
+2
-0
A beam is loaded as shown in the figure
GATE PI 2015 Strength of Materials - Shear Force and Bending Moment Question 1 English

The bending moment, in $$Nm$$, at point $$R$$ is _______.

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