Strength of Materials problems
- 1. Beams of uniform strength are preferred to those of uniform section because these are economical for
Options- A. large spans
- B. heavy weights
- C. light weights
- D. short spans. Discuss
Correct Answer: large spans
- 2. Shear force for a cantilever carrying a uniformly distributed load over its length, is
Options- A. triangle
- B. rectangle
- C. parabola
- D. cubic parabola. Discuss
Correct Answer: rectangle
- 3. In a solid arch, shear force acts
Options- A. vertically upwards
- B. along the axis of the arch
- C. perpendicular to the axis of arch
- D. tangentially to the arch
- E. none of these. Discuss
Correct Answer: perpendicular to the axis of arch
- 4. A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is
Options- A. 0.107 L
- B. 0.207 L
- C. 0.307 L
- D. 0.407 L
- E. 0.5 L. Discuss
Correct Answer: 0.207 L
- 5. A long vertical member, subjected to an axial compressive load, is called
Options- A. a column
- B. a strut
- C. a tie
- D. a stanchion
- E. all the above. Discuss
Correct Answer: a column
- 6. The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a
Options- A. triangle
- B. rectangle
- C. parabola
- D. cubic parabola. Discuss
Correct Answer: rectangle
- 7. A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is
Options- A. 1250 kg
- B. 125 kg
- C. 750 kg
- D. 2500 kg
- E. 2325 kg. Discuss
Correct Answer: 1250 kg
- 8. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, subjected to w/m u.d.l., is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 9. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 10. A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be
Options- A. 5 tonnes metre
- B. 10 tonnes metre
- C. 15 tonnes metre
- D. 20 tonnes metre
- E. none of these. Discuss
Correct Answer: 20 tonnes metre
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