Strength of Materials

191. The bending moment at E for the structure shown in below figure, is

1. Zero
2. 10 Tm
3. 20 Tm
4. 40 Tm

View answer

192. The bending moment is maximum on a section where shearing force

1. Is maximum
2. Is minimum
3. Is equal
4. Changes sign

View answer

193. The C.G. of a plane lamina will not be at its geometrical centre in the case of a

1. Right angled triangle
2. Equilateral triangle
3. Square
4. Circle

View answer

194. The C.G. of a right circular solid cone of height h lies at the following distance from the base

1. h/2
2. J/3
3. h/6
4. h/4

View answer

195. The C.G. of a solid hemisphere lies on the central radius 3r

1. At distance from the plane base 3r
2. At distance from the plane base 3r
3. At distance from the plane base 3r
4. At distance from the plane base or

View answer

196. The center of gravity of a triangle lies at the point of

1. Concurrence of the medians
2. Intersection of its altitudes
3. Intersection of bisector of angles
4. Intersection of diagonals

View answer

197. The center of gravity of a uniform lamina lies at

1. The center of heavy portion
2. The bottom surface
3. The midpoint of its axis
4. All of the above

View answer

198. The center of percussion of the homogeneous rod of lenght 'L' suspended at the top will be

1. L/2
2. L/3
3. 3L/4
4. 2L/3

View answer

199. The centre of percussion of a solid cylinder of radius 'r' resting on a horizontal plane will be

1. r/2
2. 2r/3
3. r/A
4. 3r/2

View answer

200. The coefficient of friction depends on

1. Area of contact
2. Shape of surfaces
3. Strength of surfaces
4. Nature of surface

View answer