A thick cylindrical shell having ro and ri as outer and inner radii, is subjecte

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A thick cylindrical shell having r_o and r_i as outer and inner radii, is subjected to an internal pressure (p). The minimum tangential stress at the outer surface of the shell is
Options
A.
B.
C.
D.

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1. In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that
Options
A. stress is uniform throughout the beam
B. strain is uniform throughout the beam
C. stress is proportional to the distance from the neutral axis
D. strain is proportional to the distance from the neutral axis

5. When a thin cvlindrical shell is subjected to an internal pressure, the volumetric strain is (where ?₁ = Hoop strain, and ?₂ = Longitudinal strain)
Options
A. 2?₁ - ?₂
B. 2?₁ + ?₂
C. 2?₂ - ?₁
D. 2?₂ + ?₁

7. Which of the following statement is correct?
Options
A. The size of hole drilled in riveting plates is less than the actual size of rivet.
B. The centre to centre distance between two consecutive rivets in a row is called margin.
C. Rivets are generally specified by its shank diameter.
D. Tearing of plates can be avoided by taking the pitch of rivets equal to 1.5 times the diameter of rivet hole.

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