Related Questions

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
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
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 $$\frac{{{\text{pd}}}}{{6{\text{t}}}}$$
The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is
A $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
B $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{\text{t}}}$$
D $$\frac{{{\text{pd}}}}{{3{\text{t}}}}$$
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 a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is
A $$\frac{1}{2}$$
B 1
C $$1\frac{1}{2}$$
D 2
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 longitudinal stress is __________ of the circumferential stress.
A One-half
B Two-third
C Three-fourth
D Double
Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is
A $$\frac{{{\text{pD}}}}{{2{\text{t}}}}$$
B $$\frac{{{\text{pD}}}}{{4{\text{t}}}}$$
C $$\frac{{{\text{pD}}}}{{3{\text{t}}}}$$
D $$\frac{{{\text{pD}}}}{{6{\text{t}}}}$$

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