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Equation for principal stresses and principal planes:
Derive equation for principal stresses and principal planes for the element subjected to compound stresses.
Sol.: For state of stress shown in the given figure the normal stress and shear stress on any oblique plane inclined at angle θ is determined by, As the principal plane should carry normal stress, shear stress acting on it is to be zero. That is, This provides one of the principal planes, other principal plane shall be perpendicular to this plane.
Substituting value of θ in σn expression by rearranging as below. It provides the values of principal stresses. The largest one is called as major and smaller is called as minor principal stress.
can anybody tells me about t-s n p-h diagram? just about the concept and working principle.can anybody help me? thank you. :)
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Spanners: These are used to tighten and loosen nuts and bolts. These are made according to standard nut and bolt sizes and in vanadium steels. The following types of spanner are u
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Brazing is a technique of joining two similar of dissimilar metal pieces together by heating the surfaces and by using a non-ferrous filler metal having its melting point above 42
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Project is about Heat exchanger kit named TE 93.....Project guide has told us to do something with it..without modifying the project largely.....i came up with change of material o
methods in surface development
Angular speed of the cylinder: A cylinder of mass 70 kg rotates from rest in frictionless bearing under the action of a mass of 7.0 kg carried by a rope wrapped around the cyl
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