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(a) A member ABC is formed by connecting a steel bar of 20mm diameter to an aluminium bar of 30 mm diameter, and is subjected to forces as shown in figure. Evaluate the total deformation of the bar, taking E for aluminium as 0.7 x 105 N/mm2 and that for steel as 2 x 105 N/mm2
(b) A circular rod of 12 mm diameter was tested for tension. The total elongation on a 300mm length was 0.22 mm under a tensile load of 17KN. Determine the value of E.
(c) Describe proof stress.
Find out change in length of circular bar of uniform taper Sol.: The stress at any cross section can be found by dividing load by area of cross section and extension can be
what is critical pressure, triple point, degree of super heat...
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