Related Questions

Right sided disc herniation at the level of L5/S1 may cause
A Low back pain
B Diminished ankle jerk
C Weak dorsiflexion of right foot
D Decresed sensation over he medial aspect of right foot
E Difficult heel walk
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
A disc is a spinning with an angular velocity $$\omega $$ rad/s about the axis of spin. The couple applied to the disc causing precession will be (where $$I$$ = Mass moment of inertia of the disc and $$\omega {\text{P}}$$  = Angular velocity of precession of the axis of spin)
A $$\frac{1}{2}I{\omega ^2}$$
B $$I{\omega ^2}$$
C $$\frac{1}{2}I\omega \omega {\text{P}}$$
D $$I\omega \omega {\text{P}}$$
The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is
A $$\frac{{{\text{m}}{{\text{r}}^2}}}{2}$$
B $$\frac{{{\text{m}}{{\text{r}}^2}}}{4}$$
C $$\frac{{{\text{m}}{{\text{r}}^2}}}{6}$$
D $$\frac{{{\text{m}}{{\text{r}}^2}}}{8}$$
A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is
A n rpm
B $$\frac{{\text{n}}}{2}$$ rpm
C $$\frac{{\text{n}}}{4}$$ rpm
D 2n rpm
What is the standard storage capacity of a CD-ROM disc?
A 4.7 GB
B 9.4 GB
C 700 MB
D 900 MB
Disc storage is a special type of
A processor
B I/O device
C memory
D micro-computer
Cell junctions make up an intercalated disc of cardiac muscle are
A Fascia adherens
B Desmosomes
C Gap junction
D Occluding junction
E Hemidesmosomes
In case of prolapsed lumber intervertebral disc (PLID)
A There is rupture of annulus fibrosus
B Sciatica means radiation of pain to the back of buttock
C thigh & leg
D Cauda equine syndrome should treat with emergency
E Pain situated at upper back region
F Commonest site is L3/4 space
The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in
A transverse vibrations
B torsional vibrations
C longitudinal vibrations
D none of the mentioned

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