Discussion
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- Question
For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is
Options- A. 1/2
- B. 1
- C. 1/2
- D. 2
- Correct Answer
- 2
- 1. When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the
Options- A. top layer
- B. bottom layer
- C. neutral axis
- D. every cross-section Discuss
- 2. The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft.
Options- A. True
- B. False Discuss
- 3. Factor of safety is defined as the ratio of
Options- A. ultimate stress to working stress
- B. working stress to ultimate stress
- C. breaking stress to ultimate stress
- D. ultimate stress to breaking stress Discuss
- 4. The centre to centre distance, between two consecutive rivets in a row, is called
Options- A. margin
- B. pitch
- C. back pitch
- D. diagonal pitch Discuss
- 5. Lame's theory is associated with
Options- A. thin cylindrical shells
- B. thick cylindrical shells
- C. direct and bending stresses
- D. none of these Discuss
- 6. A fixed beam is one which is fixed at __________ of its ends.
Options- A. one
- B. both Discuss
- 7. The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by
Options- A.
- B.
- C.
- D.
Discuss
- 8. The bending moment on a section is maximum where shear force is
Options- A. minimum
- B. maximum
- C. changing sign
- D. zero Discuss
- 9. When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
Options- A. tensile stress
- B. compressive stress
- C. shear stress
- D. thermal stress Discuss
- 10. Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
Options- A. strain
- B. stress
- C. pressure
- D. modulus of elasticity Discuss
Strength of Materials problems
Search Results
Correct Answer: top layer
Correct Answer: True
Correct Answer: ultimate stress to working stress
Correct Answer: pitch
Correct Answer: thick cylindrical shells
Correct Answer: both
Correct Answer:
Correct Answer: changing sign
Correct Answer: thermal stress
Correct Answer: stress
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