1. A tank 8m in diameter is to carry an internal pressure of 120
KPa. Determine the minimum thickness of the tank plating if the
stress is limited to 40 MPa.
2. A rod with cross-sectional area at 100mm^2 is stretched
between two fixed points such that the initial tensile load is 10
kN. The rod has a modulus of elasticity equal to 180 GPa and a
coefficient of linear expansion or 0.0001m/m*degree C. The initial
tension is designed such that the rod will have zero stress when
there is a certain change in temperature of the rod environment.
Which of the following most nearly gives the value of this
temperature change?
3. Determine the maximum flexural stress of a rectangular beam
75 mm wide and 275 mm high is used for the simply supported
beam.
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