Question

The extension in a rectangular steel bar of length 400 mm and thickness 10mm is found to 0.21mm .The bar tapers uniformly in width from 100 mm to 50 mm. If E for the bar is 2x 105 N/mm2 ,Determine the axial load on the bar

Answer 1

Answer:

The formula to find the Axail load is given by F=2EΔL Substituting we have F=2×2×105210=1.90KN 6) The internal diameter of Hollow Stell column is found using d2=\dfracFSSafety Factor×dexternal...

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Answer 2

Answer:

The extension in a rectangular steel bar of length 400mm and thickness 3mm is found be 0.21mm .The bar tapers uniformly in width from 20mm to60mm E for the bar is 2x 105 N/mm2 ,determine the axial load on the bar 6. The ultimate stress for a hollow steel column which carries an axial load of 2Mn is 500 N/mm2 .If the external diameter of the column is 250mm, determine the internal diameter .Take the factor of safety as 4.0