1
GATE ME 2014 Set 1
Numerical
+2
-0
The state of stress at a point is given by $$\,\,{\sigma _x} = - 6\,MPa,\,\,{\sigma _y} = 4\,\,MPa,$$ and $${\tau _{xy}} = - 8\,\,MPa.$$ The maximum tensile stress (in MPa) at the point is ____________.
2
GATE ME 2012
+2
-0.6
A solid circular shaft needs to be designed to transmit a torque of $$50$$ $$N.m.$$ If the allowable shear stress of the material is $$140$$ $$MPa,$$ assuming a factor of safety of $$2,$$ the minimum allowable design diameter in $$mm$$ is
A
$$8$$
B
$$16$$
C
$$24$$
D
$$32$$
3
GATE ME 2012
+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
$$49.41$$
4
GATE ME 1997
+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
$$330$$ $$MPa$$
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude
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Joint Entrance Examination