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
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
The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is
A $$\frac{1}{2}$$
B 1
C 2
D 4
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
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 $$\frac{{{\text{pD}}}}{{6{\text{t}}}}$$
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 $$\frac{{{\text{pd}}}}{{3{\text{t}}}}$$
As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.
A Butt
B Lap
C Welded
D None of these
The force acting along the circumference will cause stress in the walls in a direction normal to the longitudinal axis of cylinder? This stress is called
A Longitudinal stress
B Hoop stress
C Yield stress
D Ultimate stress
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
For circumferential joint in boilers, the type of joint used is
A Butt joint with single cover plate
B Butt joint with double cover plate
C Lap joint with one ring overlapping the other
D Any one of the above

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