the modulus of elasticity the percentage elongation the percentage reduction in area
the modulus of elasticity the percentage elongation the percentage reduction in area
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
During a tensile test on a specimen the following results were obtained
load(KN) 15 30 40 50 55 60 65 70 75 80 82 80 70
extension(mm) 0.05 0.094 0.127 0.157 1.778 2.79 3.81 5.08 7.62 12.7 16 19.05 22.9
diameter of gauge length=19mm
diameter at fracture=16.49mm
gauge length=100mm
gauge lengthat fracture=121mm
plot the complete load extension graph and the straight line portion to an enlarged scale .hence determine
the modulus of elasticity
the percentage elongation
the percentage reduction in area
the nominal stress at fracture
the actual stress at fracture
the tensile strength
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