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- Question
The Young's modulus of a material is 125 GPa and Poissons ratio is 0.25. The modulus of rigidity of me material is
Options- A. 30 GPa
- B. 50 GPa
- C. 80 GPa
- D. 100 GPa
- Correct Answer
- 50 GPa
- 1. Two shafts 'A' and 'B' are made of same material. The shaft 'A' is of diameter D and shaft 'B' is of diameter D/2. The strength of shaft 'B' is __________ as that of shaft 'A'
Options- A. one-eighth
- B. one-fourth
- C. one-half
- D. four times Discuss
- 2. The stress developed in the material without any permanent set is called
Options- A. elastic limit
- B. yield stress
- C. ultimate stress
- D. breaking stress Discuss
- 3. When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is
Options- A. compressive stress, tensile strain
- B. tensile stress, compressive strain
- C. tensile stress, tensile strain
- D. compressive stress, compressive strain Discuss
- 4. If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
Options- A. 2C
- B. 3C
- C.
- D.
Discuss
- 5. For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.
Options- A. equal to
- B. less than
- C. greater than Discuss
- 6. The unit of Young's modulus is same as that of stress.
Options- A. True
- B. False Discuss
- 7. Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
Options- A. linear strain
- B. lateral strain
- C. volumetric strain
- D. shear strain Discuss
- 8. The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the fixed end.
Options- A. wl/4
- B. wl/2
- C. wl
- D. wl2/2 Discuss
- 9. A continuous beam is one which is
Options- A. fixed at both ends
- B. fixed at one end and free at the other end
- C. supported on more than two supports
- D. extending beyond the supports Discuss
- 10. In a beam of uniform strength, the bending stress developed is constant and is equal to the allowable stress at every section of the beam.
Options- A. True
- B. False Discuss
Strength of Materials problems
Search Results
Correct Answer: one-eighth
Correct Answer: elastic limit
Correct Answer: tensile stress, tensile strain
Correct Answer:
Correct Answer: greater than
Correct Answer: True
Correct Answer: lateral strain
Correct Answer: wl2/2
Correct Answer: supported on more than two supports
Correct Answer: True
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