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13. What is the sequence of calculation of spherical thin-
walled vessels that loaded with internal pressure?
14. What is the sequence of calculation of cylindrical thin-
walled vessels that loaded with internal pressure?
15. What cylinder is thick-walled?
16. What is the geometric aspect of Lame’s problem?
17. Write the differential equation of radial displacement
and its general solution.
18. Describe the boundary conditions on the inner and
outer contours of the cylinder.
19. How do you calculate stresses in thick-walled circular
cylinder, which loaded with the internal and external
pressure?
20. How do you calculate the radial stresses in thick-
walled cylinder, which loaded with the internal and
external pressure?
21. How are circular and radial stresses distributed in the
cylinder wall thickness?
22. How do you calculate the strength of thick-walled
cylinder loaded with internal pressure?
23. Describe the sequence of design calculations of thick-
walled cylinder loaded with internal pressure?
24. How do you take into account the presence of the
cylinder bottoms in the calculation of strength?
25. How does the increasing of the outer radius of the
cylinder loaded with internal pressure impact on his
strength?

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