1
GATE ME 2012
MCQ (Single Correct Answer)
+2
-0.6
The homogeneous state of stress for a metal part undergoing plastic deformation is $$$T = \left( {\matrix{ {10} & 5 & 0 \cr 5 & {20} & 0 \cr 0 & 0 & { - 10} \cr } } \right)$$$

Where the stress component values are in $$MPa.$$ Using von Mises yield criterion, the value of estimated shear yield stress, in $$MPa$$ is

A
$$9.50$$
B
$$16.07$$
C
$$28.52$$
D
$$49.41$$
2
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
A small element at the critical section of a component in bi-axial state of stress with the two principal stresses being $$360$$ $$MPa$$ and $$140$$ $$MPa.$$ The maximum working stress according to distortion energy theory is
A
$$220$$ $$MPa$$
B
$$110$$ $$MPa$$
C
$$314$$ $$MPa$$
D
$$330$$ $$MPa$$
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