Discussion
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- Question
The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.
Options- A. increases
- B. decreases
- C. remains same
- Correct Answer
- increases
- 1. The extremeties of any diameter on Mohr's circle represent
Options- A. principal stresses
- B. normal stresses on planes at 45°
- C. shear stresses on planes at 45°
- D. normal and shear stresses on a plane Discuss
- 2. Two shafts 'A' and 'B' are made of same material. The shaft 'A' is solid and has diameter D. The shaft 'B' is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.
Options- A. 1/16
- B. 1/8
- C. 1/4
- D. 15/16 Discuss
- 3. In the below figure, the stress corresponding to point D is
Options- A. yield point stress
- B. breaking stress
- C. ultimate stress
- D. elastic limit Discuss
- 4. A beam of uniform strength has
Options- A. same cross-section throughout the beam
- B. same bending stress at every section
- C. same bending moment at every section
- D. same shear stress at every section Discuss
- 5. When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at
Options- A. bottom fibre
- B. top fibre
- C. neutral axis
- D. centre of gravity Discuss
- 6. Principle plane is a plane on which the shear stress is
Options- A. zero
- B. minimum
- C. maximum Discuss
- 7. The ratio of change in volume to the original volume is called
Options- A. linear strain
- B. lateral strain
- C. volumetric strain
- D. Poisson's ratio Discuss
- 8. The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of
Options- A. one right angled triangle
- B. two right angled triangles
- C. one equilateral triangle
- D. two equilateral triangles Discuss
- 9. When a closely-coiled helical spring is subjected to an axial load, it is said to be under
Options- A. bending
- B. shear
- C. torsion
- D. crushing Discuss
- 10. When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal
Options- A. polar moment of inertia
- B. polar modulus
- C. diameter
- D. angle of twist Discuss
Strength of Materials problems
Search Results
Correct Answer: normal stresses on planes at 45°
Correct Answer: 15/16
Correct Answer: ultimate stress
Correct Answer: same bending stress at every section
Correct Answer: bottom fibre
Correct Answer: zero
Correct Answer: volumetric strain
Correct Answer: two right angled triangles
Correct Answer: torsion
Correct Answer: polar modulus
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