Am 1: The questions vary with the student number. Each student has to solve the questions considering his or her student ID. Use "A" as last number of your student ID. If it is zero, please take that value as 5 instead of zero. The W250 67 is made of A992 steel and is used as a column that has a length of A m. If the ends of the column are fixed supported, a) Determine critical load b) Can the column support the critical load without yielding? Area-8560 mm² E-200 GPa 104 105 mm lyy=22.2 10 mm' Yield Strength of Steel=345 MPa

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Fluid Materials

In general terms, anything that flows can be termed as a fluid. In other words, a fluid is any substance that cannot resist shear forces and deforms continuously under the application of external shear forces. Fluid materials differ completely from solid materials such as metals and alloys. For instance, if we consider two infinitesimally small cross-sectional areas of fluid materials and solid materials, and apply shear forces to these elements, both the elements will undergo deformation. Upon releasing the shear force, the element of the solid materials will regain its original orientation, but the element of the fluid materials will keep on deforming continuously under the action of the shear force.