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- Question
The following assumption is not true in the theory of pure torsion :
Options- A. The twist along the shaft is uniform
- B. The shaft is of uniform circular section throughout
- C. Cross-section of the shaft, which is plane before twist remains plane after twist
- D. All radii get twisted due to torsion.
- Correct Answer
- All radii get twisted due to torsion.
- 1. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes
Options- A. zero
- B. infinite
- C. maximum
- D. minimum. Discuss
- 2. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by
Options- A. 2 times
- B. 4 times
- C. 8 times
- D. 1/2 times
- E. 3 times. Discuss
- 3. The bending moment is maximum on a section where shearing force
Options- A. is maximum
- B. is minimum
- C. is equal
- D. changes sign. Discuss
- 4. Every material obeys the Hooke's law within its
Options- A. elastic limit
- B. plastic point
- C. limit of proportionality
- D. none of these. Discuss
- 5. As the elastic limit reaches, tensile strain
Options- A. increases more rapidly
- B. decreases more rapidly
- C. increases in proportion to the stress
- D. decreases in proportion to the stress. Discuss
- 6. Pick up the correct statement from the following :
Options- A. The rate of change of bending moment is equal to rate of shear force
- B. The rate of change of shear force is equal to rate of loading
- C. neither (a) nor (b)
- D. both (a) and (b). Discuss
- 7. If the beam is supported so that there are only three unknown reactive elements at the supports. These can be determined by using the following fundamental equation of statics
Options- A. ?H = 0
- B. ?V = 0
- C. ?H = 0; ?H = 0
- D. ?H = 0; ?V = 0; ?M = 0
- E. ?M = 0; ?H = 0 Discuss
- 8. In a continuous bending moment curve the point where it changes sign, is called
Options- A. point of inflexion
- B. point of contraflexture
- C. point of virtual hinge
- D. all the above. Discuss
- 9. The property by which a body returns to its original shape after removal of the force, is called
Options- A. plasticity
- B. elasticity
- C. ductility
- D. malleability. Discuss
- 10. The under mentioned type is simple strain
Options- A. tensile strain
- B. compressive strain
- C. shear strain
- D. volumetric strain
- E. all the above. Discuss
Strength of Materials problems
Search Results
Correct Answer: infinite
Correct Answer: 8 times
Correct Answer: changes sign.
Correct Answer: limit of proportionality
Correct Answer: increases more rapidly
Correct Answer: both (a) and (b).
Correct Answer: ?H = 0; ?V = 0; ?M = 0
Correct Answer: all the above.
Correct Answer: elasticity
Correct Answer: all the above.
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