Strength of Materials

181. Strain energy of any member may be defined as work done on it

1. To deform it
2. To resist elongation
3. To resist shortening
4. All the above

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182. Stress in a beam due to simple bending, is

1. Directly proportional
2. Inversely proportional
3. Curvilinearly related
4. None of these

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183. Stress in members of statically determinate simple frames, can be determined by

1. Method of joints
2. Method of sections
3. Graphical solution
4. All the above

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184. Struts are load carrying members of a frame structure which are subjected to

1. Axial tension loads
2. Axial compressive loads
3. Torsional loads
4. Transverse loads

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185. Tangent of angle of friction is equal to

1. Kinetic friction
2. Limiting friction
3. Angle of repose
4. Coefficient of friction

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186. The algebraic sum of moments of the forces forming couple about any point in their plane is

1. Equal to the moment of the couple
2. Constant
3. Both of above are correct
4. Both of above are wrong

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187. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of

1. Forces
2. Independence of forces
3. Dependence of forces
4. Resolution of forces

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188. The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

1. Friction
2. Limiting friction
3. Repose
4. Kinematic friction

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189. The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same.

1. Circular beam is more economical
2. Square beam is more economical
3. Both the beams are equally strong
4. Both the beams are equally economical

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190. The B.M. of a cantilever beam shown in below figure at A, is

1. Zero
2. 8 Tm
3. 12 Tm
4. 20 Tm

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