Related Questions

A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is
A 10
B 10
C 20
D 20
A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is
A Equal to $$\frac{1}{{10}}$$
B Less than $$\frac{1}{{10}}$$
C Greater than $$\frac{1}{{10}}$$
D None of these
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)
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
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 $$\frac{{{\text{pd}}}}{{4{\sigma _{\text{t}}}}}$$
In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger.
A Once
B Twice
C Thrice
D Four times
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
Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure?
A At the inner surface
B At the mid thickness of the cylindrical wall
C At the outer surface
D None of these
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

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