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GATE ME 2021 : Strength of Materials Quiz 2 (App update required to attempt this test)

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Question 1

The poisson’s ratio of for a perfectly incompressible linear elastic material is

Question 2

If the Principal stresses on a plane stress problem are S₁ =100 MPa and S₂ = 40 MPa then the magnitude of Mohr circle radius (MPa) will be:

Question 3

Determine the final volume (in mm³) of steel bar which has 4 m length, 30 mm wide and 20 mm thick and which has an axial pull of 30 kN in the direction of its length. Take, E= 2×10⁵ N/mm² and Poisson’s ratio is 0.3

Question 4

For a deformable engineering material, the ratio of elastic modulus E and bulk modulus K is 0.8. What will be the ratio of Youngs modulus E and rigidity modulus G?

Question 5

If there are two materials A & B, for material “A”, Young’s modulus is twice the Shear modulus & for “B” Young’s modulus is thrice the bulk modulus, then μ_A & μ_B respectively are

Question 6

A 10 mm × 10 mm rod of a material is subjected to an axial pull of 4000 N. it was found that the lateral dimension of the rod changed to 9.9 mm × 9.9 mm. The Poisson’s ratio is (take modulus of rigidity of the material = 600 MPa)

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ESE & GATE ME Strength of Materials

Apr 29ESE & GATE ME