Related Questions

The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.
A Equal to
B More than
C Less than
D Either B or C; depends on maximum permissible internal pressure
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 $$\frac{{{\text{pd}}}}{{4{\sigma _{\text{t}}}}}$$
A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is
A $$\frac{{{\text{pd}}}}{{\text{t}}}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
D $$\frac{{{\text{pd}}}}{{8{\text{t}}}}$$
A thin cylindrical shell of diameter (d), length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The hoop stress in the shell is
A $$\frac{{{\text{pd}}}}{{\text{t}}}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
D $$\frac{{{\text{pd}}}}{{6{\text{t}}}}$$
A thin cylindrical shell of diameter (d) length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is
A $$\frac{{{\text{pd}}}}{{\text{t}}}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
D $$\frac{{{\text{pd}}}}{{6{\text{t}}}}$$
For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell
A Decreases upwards
B Increases upwards
C Remains same throughout
D May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be
A $${\left( {\frac{{6{\text{V}}}}{\pi }} \right)^{\frac{1}{2}}}$$
B $${\left( {\frac{{6{\text{V}}}}{\pi }} \right)^{\frac{1}{3}}}$$
C $${\left( {\frac{{6{\text{V}}}}{\pi }} \right)^2}$$
D $${\left( {\frac{{6{\text{V}}}}{\pi }} \right)^3}$$
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is
A More
B Less
C Same
D More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein
A thin cylindrical shell of diameter (d), length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to hoop strain is
A $$\frac{{{\text{m}} - 2}}{{2{\text{m}} - 1}}$$
B $$\frac{{2{\text{m}} - 1}}{{{\text{m}} - 2}}$$
C $$\frac{{{\text{m}} - 2}}{{2{\text{m}} + 1}}$$
D $$\frac{{2{\text{m}} + 1}}{{{\text{m}} - 2}}$$
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.
A 3-5
B 5-11
C 8-15
D 12-18

Next steps