Related Questions

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
A Nine times
B Six times
C Four times
D Two times
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
A Equal to
B Twice
C Three times
D Four times
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is
A $$\frac{{{\text{b}}{{\text{h}}^3}}}{4}$$
B $$\frac{{{\text{b}}{{\text{h}}^3}}}{8}$$
C $$\frac{{{\text{b}}{{\text{h}}^3}}}{{12}}$$
D $$\frac{{{\text{b}}{{\text{h}}^3}}}{{36}}$$
The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is
A $$\frac{{{{\text{b}}^3}{\text{h}}}}{{12}}$$
B $$\frac{{{\text{b}}{{\text{h}}^3}}}{3}$$
C $$\frac{{{\text{b}}{{\text{h}}^3}}}{{36}}$$
D $$\frac{{{\text{b}}{{\text{h}}^3}}}{2}$$
The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is
A $$\frac{1}{4}$$
B $$\frac{1}{2}$$
C $$\frac{3}{4}$$
D $$2$$
The moment of inertia of a triangular section (height h, base b) about its base, is
A $$\frac{{{\text{b}}{{\text{h}}^2}}}{{12}}$$
B $$\frac{{{{\text{b}}^2}{\text{h}}}}{{12}}$$
C $$\frac{{{\text{b}}{{\text{h}}^3}}}{{12}}$$
D $$\frac{{{{\text{b}}^3}{\text{h}}}}{{12}}$$
The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is
A 1.0
B 1.5
C 2.0
D 3.0
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point
A Same as
B Twice
C Thrice
D Four times
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body and S = Sum of the squares of the two semi-axes.)
A $$\frac{{{\text{MS}}}}{3}$$
B $$\frac{{{\text{MS}}}}{4}$$
C $$\frac{{{\text{MS}}}}{5}$$
D None of these
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is
A $$\frac{{{\text{d}}{{\text{b}}^3}}}{{12}}$$
B $$\frac{{{\text{b}}{{\text{d}}^3}}}{{12}}$$
C $$\frac{{{\text{d}}{{\text{b}}^3}}}{{36}}$$
D $$\frac{{{\text{b}}{{\text{d}}^3}}}{{36}}$$

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