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GATE CE 2020: Strength of Materials Quiz 2 (App update required to attempt this test)
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Question 1
The change in the volume when equal normal hydrostatic stresses are on an element of isotropic material is called as
Question 2
A sample of a metal is tested in tension and it is found that there is a strain of 0.006 at a corresponding stress 400. On the removal of load, a permanent strain of 0.0012 is found to be present. what is the value of modulus of elasticity of metal.
Question 3
A cylindrical shell 1000 mm long, 150 mm internal diameter, having a thickness of 8 mm is filled with a fluid at atmospheric pressure. An additional 25000 mm3 of fluid is pumped into the cylinder, then the hoop stress induced will be ___________ N/mm2.
[E=2x105 N/mm2 and μ = 0.3]
[E=2x105 N/mm2 and μ = 0.3]
Question 4
If the strain energy absorbed in a cantilever beam in bending under its own weight is `K' times greater than the strain energy absorbed in an identical simply supported beam in bending under its own weight, then the magnitude of 'K' is
Question 5
U1 and U2 are the strain energies stored in a prismatic bar due to axial tensile forces P1 and P2 respectively. The strain energy stored in the same bar due to combined action of P1 and P2 will be
Question 6
A beam with the cross-section given below is subjected to a positive bending moment (causing compression at the top) of 16 kN-m acting around the horizontal axis. The tensile force acting on the hatchcd area of the cross-section is
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