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13. Give the definition of eccentrical tension -
compression?
14. How do you determine normal stresses in the beam
cross section at eccentrical tension - compression?
15. How do you determine the position of the zero line at
eccentrical tension - compression?
16. Write the equation of the zero line in tension or
eccentrical compression of the rod.
17. What is the normal stress in the center of gravity of
the cross section at beam eccentrical tension -
compression?
18. Describe the condition of tensile strength at
eccentrical compression.
19. What is the core section?
20. How do you build a core section?
21. What stresses appear in the beam cross-section in
bending with torsion?
22. What points of circular cross-section are dangerous in
bending with torsion?
23. What stress state occurs at points of circular cross-
section of the beam in bending with torsion and how
do you evaluate the strength the beam?
24. How do you find the values consolidated moments
with the help of different theories of strength in
bending with torsion of the beam of circular cross-
section?
25. How do you calculate the strength of beam of a
rectangular cross section in bending with torsion?

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