A brass specimen of the circular cross-section is fractured at 151 kN force and the final length of the specimen at fracture is 48 mm. The fracture strength of the specimen is found to be 72 kN/mm2. The percentage of elongation of the specimen is 44 %. Determine the following (i) Diameter of the specimen, ii) Initial length of the specimen, ii) Stress under an elastic load of 15 kN, iv) Young's Modulus if the elongation is 1.5 mm at 15 kN ( (v) Final diameter if the percentage of reduction in area is 21 %. (

A brass specimen of the circular cross-section is fractured at 151 kN force and the final length of the specimen at fracture is 48 mm. The fracture strength of the specimen is found to be 72 kN/mm2. The percentage of elongation of the specimen is 44 %. Determine the following (i) Diameter of the specimen, ii) Initial length of the specimen, ii) Stress under an elastic load of 15 kN, iv) Young's Modulus if the elongation is 1.5 mm at 15 kN ( (v) Final diameter if the percentage of reduction in area is 21 %. (

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A brass specimen of the circular cross-section is
fractured at 151 kN force and the final length of the
specimen at fracture is 48 mm. The fracture
strength of the specimen is found to be 72
kN/mm?. The percentage of elongation of the
specimen is 44 %.
Determine the following
(i) Diameter of the specimen,
ii) Initial length of the specimen,
iii) Stress under an elastic load of 15 kN,
iv) Young's Modulus if the elongation is 1.5 mm at
15 kN
(v) Final diameter if the percentage of reduction in
area is 21 %. (
Initial Cross-sectional Area (in mm?)
The Diameter of the Specimen (in mm)
Initial Length of the Specimen (in mm)
Stress under the elastic load (in N/mm?)
Young's Modulus of the Specimen (in N/mm2)
Final Area of the Specimen at Fracture (in mm)
Final Diameter of the Specimen after Fracture
(in mm)

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