Related Questions

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 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
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
If the length of rectangle A is one -half of the length of rectangle B , and the width of rectangle A is one -half of the width of rectangle B, what is the ratio of the area of rectangle A to the area of rectangle B?
A 1/4
B 1/2
C 1/1
D 2/1
If the length of rectangle A is one-half the length of rectangle B, and the width of rectangle A is one-helf the width of rectangle B, what is the ratio of the area of rectangle A to the are of rectangle B?
A 1/4
B 1/2
C 1/1
D 2/1
If the length of rectangle B and the width of rectangle A is one-half the width of rectangle B, what is the ratio of the area of rectangle A to the area of rectangle B?
A 1/4
B 1/2
C 1/1
D 2/1
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
If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge
A Is increased by $$\frac{{{\text{PZ}}}}{{\text{e}}}$$
B Is increased by $$\frac{{{\text{Pe}}}}{{\text{Z}}}$$
C Is decreased by $$\frac{{{\text{Pe}}}}{{\text{Z}}}$$
D Remains unchanged
Moment of inertia of a triangular section of base (b) and height (h) about an axis through its 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 $$\frac{{{\text{b}}{{\text{h}}^3}}}{{36}}$$
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 $$\frac{{{\text{b}}{{\text{h}}^3}}}{{36}}$$

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