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# ME Quiz : Stress and Strain

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Question 1

A prismatic bar has a cross-section of 25mm x 50mm and a length of 3m. Under an axial tensile force of 100kN. Compute the tensile stress (in MPa).

Question 2

A steel bar of 4 m length and uniform cross-sectional area of 1200 mm2 is suspended vertically and loaded as shown in figure. The elongation of the bar will be
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Question 3

Resilience of a material is important, when it is subjected to _______.

Question 4

If a part is constrained to move and heated, it will develop

Question 5

The property of the material to regain its original shape after deformation when the external forces are removed is ________.

Question 6

True stress represents the ratio of ___________.

Question 7

Modulus of resilience in a member is stored strain energy _______.

Question 8

The ratio of factor of safety of a ductile material to brittle material under same load and conditions is

Question 9

When change in length takes place, the strain is known as:

Question 10

A prismatic bar of length 4m is subjected to an uniaxial pull of 100kN then the magnitude of product of change in diameter and its diameter will be (in μm) take E = 200 GPa, μ = 0.3
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