Related Questions

In a thick cylindrical shell subjected to an internal pressure (p), the maximum radial stress at the inner surface of the shell is
A Zero
B p (tensile)
C -p (compressive)
D 2p (tensile)
In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress across the thickness of a cylinder is
A Maximum at the outer surface and minimum at the inner surface
B Maximum at the inner surface and minimum at the outer surface
C Maximum at the outer surface and zero at the inner surface
D Maximum at the inner surface and zero at the outer surface
In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is
A Maximum at the outer surface and minimum at the inner surface
B Maximum at the inner surface and minimum at the outer surface
C Maximum at the outer surface and zero at the inner surface
D Maximum at the inner surface arid zero at the outer surface
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If $${\sigma _{\text{t}}}$$ is the tensile stress for the shell material, then thickness of shell is equal to
A $$\frac{{{\text{pd}}}}{{{\sigma _{\text{t}}}}}$$
B $$\frac{{{\text{pd}}}}{{2{\sigma _{\text{t}}}}}$$
C $$\frac{{{\text{pd}}}}{{3{\sigma _{\text{t}}}}}$$
D $$\frac{{{\text{pd}}}}{{4{\sigma _{\text{t}}}}}$$
The maximum tangential stress in a thick cylindrical shell is always _________ the internal pressure acting on the shell.
A Equal to
B Less than
C Greater than
D None of these
The maximum shear stress in a thin cylindrical shell subjected to internal pressure 'p' is
A $$\frac{{{\text{pd}}}}{{\text{t}}}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
D $$\frac{{{\text{pd}}}}{{8{\text{t}}}}$$
Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress.
A Half
B Equal to
C Twice
D Eight times
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
A Steady flow
B Turbulent flow
C Vortex flow
D Uniform flow
In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
A $$\frac{1}{2}$$
B $$\frac{3}{4}$$
C 1
D 1.5
The hoop stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is (where $$\eta $$ = Efficiency of the riveted joint)
A $$\frac{{{\text{pd}}}}{{{\text{t}}\eta }}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}\eta }}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}\eta }}$$
D $$\frac{{{\text{pd}}}}{{8{\text{t}}\eta }}$$

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