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In a torsion text, the specimen is a hollow shaft with 40 mm external and 20 mm internal diameter. An applied torque of 2 kNm is found to produce an angular twist of 0.5° measured on a length of 30 cm of the shaft. The Young's modulus of elasticity is 200 GPa. Find the value of (i) Modulus of rigidity. (ii) Poisson's ratio. (iii) Bulk modulus of elasticity.

In a torsion text, the specimen is a hollow shaft with 40 mm external and 20 mm internal diameter. An applied torque of 2 kNm is found to produce an angular twist of 0.5° measured on a length of 30 cm of the shaft. The Young's modulus of elasticity is 200 GPa. Find the value of (i) Modulus of rigidity. (ii) Poisson's ratio. (iii) Bulk modulus of elasticity.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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In a torsion text, the specimen is a hollow shaft with 40 mm external and 20 mm internal diameter. An applied torque of 2 kNm is found to produce an angular twist of 0.5° measured on a length of 30 cm of the shaft. The Young's modulus of elasticity is 200 GPa. Find the value of

(i) Modulus of rigidity.

(ii) Poisson's ratio.

(iii) Bulk modulus of elasticity.

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