2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2. The spring has 84 coils and is close-wound with a preload Inside dia. 50 mm of 80 N. a) Find the closed length of the spring. b) Find the torsional stress in the spring corresponding to the preload. 5 mm c) Estimate spring rate. 5 mm d) What load would cause permanent deformation? e) What is the spring deflection corresponding to the load found in part Running length= 100 mm Assembled length= 180 mm Free length= 200 mm

2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2. The spring has 84 coils and is close-wound with a preload Inside dia. 50 mm of 80 N. a) Find the closed length of the spring. b) Find the torsional stress in the spring corresponding to the preload. 5 mm c) Estimate spring rate. 5 mm d) What load would cause permanent deformation? e) What is the spring deflection corresponding to the load found in part Running length= 100 mm Assembled length= 180 mm Free length= 200 mm

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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