[MOS] MECHANICS OF SOLIDS MODULE 5 AND 6 S3 KTU IMPORTANT QUESTIONS FOR KTU STUDENTS [SECOND YEAR] | QUESTION BANK


[MOS] MECHANICS OF SOLIDS  IMPORTANT QUESTIONS 

mos ktu questions,mos questions,mos important questions,mos ktu important questions,mos,question papers,[MOS] MECHANICS OF SOLIDS MODULE 5 AND 6  S3 KTU IMPORTANT QUESTIONS FOR KTU STUDENTS [SECOND YEAR] | QUESTION BANK

MODULE 5 AND 6


1. Define Mohr’s circle. What are its uses.



2. Define principal stresses and principal strains.

3. Explain plain stress and Principal stress.

4. What is principal plane, principal stress, and plane of maximum shear.

5. Explain Mohr circle representation of stresses.

6. Explain why the plane of maximum shear stress and principal stress planes are inclined 45° to each other.

7. Differentiate between thin and thick cylinders. What are the assumptions made in Lame’s theory for thick cylinders.

8. Distinguish between thick and walled cylinders and compound cylinders.

9. What is the principle of compound cylinders. Sketch the stress distribution across the cross section of a compound cylinder.

10. Show that the planes containing maximum shear stress make an angle of 45° with the principal planes.

11. Explain why hollow shafts are more efficient in resisting torsion than solid shafts on the same weight.

12. Distinguish between closed coiled and open coiled springs.

13. Explain the terms torsional rigidity and polar modulus.

14. What are assumptions made in the theory of pure torsion.

15. Derive the expression for the stresses on an oblique plane of rectangular body, when the body is subjected to simple stress.

16. Derive the expression for normal stress on a plane inclined at an angle θ to x axis and subjected to normal stresses in x and y direction.

17. Show that the sum of normal stresses on two mutually perpendicular planes in a general two dimensional stress system is constant.

18. Show that in thin cylinders the circumferential stress is twice the longitudinal stress when subjected to an internal pressure.

19. Derive the expression for the hoop stress in thin cylinder (of diameter d and thickness t) subjected to an internal pressure of p.

20. What is hoop stress. Derive an expression for hoop stress in thin cylinders.

21. Derive an expression for hoop and longitudinal stresses in thin cylinder.

22. State and explain Lame’s equation for stress in thick cylinders.

23. Derive the expression for power transmission through circular shaft.

24. Show that hollow shaft is strongest than the solid shaft of same material, length and weight.

25. Derive the torsion formula for a prismatic shaft with circular cross section.

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