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GATE Prev Year : Mechanics of Materials Test-9

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Question 1

A rod is subjected to a uni-axial load within linear elastic limit. When the change in the stress is 200 MPa, the change in the strain is 0.001. If the Poisson’s ratio of the rod is 0.3, the modulus of rigidity (in GPa) is ______
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Question 2

What is the expression for the crippling load for a column of length l with one end fixed and other end free?

Question 3

A thin cylinder of inner radius 500 mm and thickness 10 mm is subjected to an internal pressure of 5 MPa. The average circumferential (hoop) stress in MPa is _________.

Question 4

Whirling speed of a shaft coincides with the natural frequency of its

Question 5

Maximum deflection in cantilever due to pure bending moment M at its end is _____.

Question 6

The number of independent elastic constants required to define the stress-strain relationship for an isotropic elastic solid is _______
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