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GATE Mechanical 2014 Set 4 | Question: 9
Arjun
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Applied Mechanics and Design
Feb 19, 2017
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Mar 4, 2021
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Lakshman Patel RJIT
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The number of independent elastic constants required to define the stress-strain relationship for an isotropic elastic solid is _______
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Arjun
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Applied Mechanics and Design
Feb 19, 2017
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Answer:
1.9 : 2.1
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Arjun
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Applied Mechanics and Design
Feb 19, 2017
GATE Mechanical 2014 Set 4 | Question: 30
A shaft is subjected to pure torsional moment. The maximum shear stress developed in the shaft is $100$ $MPa$. The yield and ultimate strengths of the shaft material in tension are $300$ $MPa$ and $450$ $MPa$, respectively. The factor of safety using maximum distortion energy (von-Mises) theory is _______
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Feb 19, 2017
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Arjun
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Applied Mechanics and Design
Feb 19, 2017
GATE Mechanical 2014 Set 4 | Question: 7
If the Poisson's ratio of an elastic material is $0.4$, the ratio of modulus of rigidity to Young's modulus is _______
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Feb 19, 2017
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Arjun
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Arjun
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Applied Mechanics and Design
Feb 27, 2017
GATE2017 ME-1: 44
A horizontal bar, fixed at one end $(x=0)$, has a length of $1$ m, and cross-sectional area of $100 mm^{2}$. Its elastic modulus varies along its length as given by $E(x)=100 e^{-x}$ GPa, where $x$ is the length coordinate (in m) along the axis of the bar. An axial tensile load of $10$ kN is applied at the free end $(x=1)$. The axial displacement of the free end is _________ mm
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Feb 27, 2017
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Arjun
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Feb 27, 2017
GATE2017 ME-1: 40
A point mass of $100$ kg is dropped onto a massless elastic bar (cross-sectional area $= 100 mm^{2}$, length $= 1$ m, Young's modulus$=100$ GPa) from a height $H$ of $10$ mm as shown (Figure is not to scale). If $g= 10 m/s^{2}$, the maximum compression of the elastic bar is _______ mm
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Arjun
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Feb 19, 2017
GATE Mechanical 2014 Set 4 | Question: 33
It is desired to avoid interference in a pair of spur gears having a $20^{\circ}$ pressure angle. With increase in pinion to gear speed ratio, the minimum number of teeth on the pinion increases decreases first increases and then decreases remains unchanged
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Feb 19, 2017
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