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GATE ME: Strength of Materials Champion Quiz 2

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Question 1

For the overhanging beam shown in figure, the magnitude or maximum bending moment (in kN-m) is________

Question 2

What phenomena is observed when a rock ruptures on exceeding its give up point?

Question 3

The state of stress at a point under plane stress condition is σ_xx = 40 MPa, σ_yy = 100 MPa and τ_xy = 40 MPa. The radius of the Mohr's circle representing the given state of stress (in MPa) is ________.

Question 4

Which among the following is correct regarding Mohr's Circle?

Question 5

Two solid circular shafts of radii R₁ and R₂ are subjected to same torque. The maximum shear stresses developed in the two shafts are τ₁ and τ₂. If R₁/R₂ = 2, then τ₂/τ₁ is ___________

Question 6

Maximum shear stress developed on the surface of a solid circular shaft under pure torsion is 240 MPa. If the shaft diameter is doubled then the maximum shear stress developed corresponding to the same torque will be

Question 7

A simply supported beam of length L is subjected to a varying distributed load sin , where the distance x is measured from the left support. The magnitude of the vertical reaction force in N at the left support is

Question 8

A bar of 20 mm dia is tested in tension. It is observed that when a load of 38 kN is applied the extension measured over a gauge length of 200 mm is 0.12 mm and contraction in diameter is 0.0036 mm. Find the Poisson’s ratio

Question 9

The part of the shear force diagram for a beam is shown in the figure
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If the bending moment at B is -9kN m, then the bending moment at C is

Question 10

If E = elasticity modulus, I = moment of inertia about the neutral axis and M = bending moment in pure bending under the symmetric loading of a beam, the radius of curvature of the beam:
1). Increases with E
2). Increases with M
3). Decreases with I
4). Decreases with M
Which of these are correct ___________?

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ESE & GATE ME Strength of Materials

Nov 2ESE & GATE ME