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GATE Prev Year : Mechanics of Materials Test-8

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Question 1

A gas is stored in a cylindrical tank of inner radius 7 inch and wall thickness 5 mm. The gauge pressure of the gas is 2 MPa. The maximum shear stress (in MPa) in the wall is

Question 2

Match the following criteria of material failure, under biaxial stresses ï₁ and ï₂ and yield stress ï_y, with their corresponding graphic representations:
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Question 3

A circular rod 50 mm in diameter and 200 mm long is welded to a plate by fillet welding all around the circumference as shown in figure. The size of the weld is 15mm. The section modulus of the weld is 22000 mm³. Determine the resultant stress in the weld.
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Question 4

The flexural rigidity (EI) of a cantilever beam is assumed to be constant over the length of the beam shown in figure. If a load P and bending moment PL/2 are applied at the free end of the beam then the value of the slope at the free end is __________.

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Question 5

A shaft subjected to torsion experiences a pure shear stress τ on the surface. The maximum principal stress on the surface, which is at 45 ° to the axis, will have a value

Question 6

A weighing machine consists of a 2 kg pan resting on a spring. In this condition, the pan resting on the spring, the length of the spring is 200 mm. When a mass of 20 kg is placed on the pan, the length of the spring becomes 100 mm. For the spring, the un-deformed length and the spring constant k (stiffness) are

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ESE & GATE ME Strength of Materials

Oct 15ESE & GATE ME