Related Questions

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
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
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 height of a cylinder is four times the radius of the cylinder. If the volume of the cylinder is 256 cm², what is the radius of the cylinder.
A 4 cm
B 8 cm
C 16 cm
D 24 cm
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
When a body is subjected to a direct tensile stress ($$\sigma $$) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle $$\theta $$ to the normal of the section is
A $$\sigma \sin 2\theta $$
B $$\sigma \cos 2\theta $$
C $$\frac{\sigma }{2}\sin 2\theta $$
D $$\frac{\sigma }{2}\cos 2\theta $$
In designing thick cylinders, the equation used is
A Lame's equation
B Birnie's equation
C Clavarinos' equation
D All of these
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is
A d > m > e
B d > e > m
C e > m > d
D e > d > m
The area of the base of a cylinder is 100πm2. The volume of the cylinder is 900πm3. What is the height of the cylinder?
A 9m
B 10m
C 11m
D 12m

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