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GATE Prev Year : Mechanics of Materials Test-5
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Question 1
A cantilever beam of length L is subjected to a moment Mat the free end. The moment of inertia of the beam cross section about the neutral axis is I and the Young's modulus is E. The magnitude of the maximum deflection is
Question 2
If the Poisson’s ratio of an elastic material is 0.4, the ratio of modulus of rigidity to Young's modulus is
Question 3
A simply supported laterally loaded beam was found to deflect more than a specified value. Which of the following measures will reduce the deflection?
Question 4
An Aluminium beam column having length of 10 m with Moment of Inertia 950cm4 is fixed from both ends. The Modulus of Elasticity of Aluminium is 80×109 Pa . Calculate Euler buckling load?
Question 5
In a plane stress condition, the components of stress at a point are σx= 20 MPa, σy = 80 MPa and τxy = 40 MPa the maximum shear stress (in MPa) at the point is
Question 6
If a tensile test is done on brass item which is 20 mm in diameter having gage length of 100 mm and a tensile load T of 100 kN is applied, the gage marks distance increases by 2.345 mm. What will be the Poisson’s ratio when diameter of brass item decreases by 0.11 mm?
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