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When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)?
Answer: Option 4 Let'
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Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity)?
Answer: Option 3 Let'
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Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.?
Answer: Option 2 Let'
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A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)?
Answer: Option 2 Let'
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Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?
Answer: Option 1 Let'
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The material which can be deformed permanently by heat and pressure is called a?
Answer: Option 2 The material which can be deformed permanently by heat and pressure is called thermoset.
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The property of a material by virtue of which a body returns to its original, shape after removal of the load is called?
Answer: Option 2 Let'
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Three elastic constants for a completely anisotropic elastic material which follows the Hooke's law are young's modulus, elastic limit stress and yield stress. Which of the following properties is most sensitive to increase in strain rate ?
Answer: Option 3 Let'
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Which of the following is the most elastic material?
Answer: Option 3 Let'
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Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas?
Answer: Option 3 Let'
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