1
GATE PI 2016
MCQ (Single Correct Answer)
+1
-0.3
Consider the following statements:
(P) Hardness is the resistance of a material to indentation.
(Q) Elastic modulus is a measure of ductility.
(R) Deflection depends on stiffness.
(S) The total area under the stress-strain curve is a measure of resilience.

Among the above statements, the correct ones are

A
P and Q only.
B
Q and S only.
C
P and R only.
D
R and S only.
2
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
$$S$$
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