Strength of Materials problems
- 1. In the below figure, the plastic range occurs
Options- A. before point A
- B. beyond point A
- C. between points A and D
- D. between points D and E Discuss
Correct Answer: beyond point A
- 2. The stiffness of a closely-coiled helical spring is __________ proportional to number of turns.
Options- A. directly
- B. inversely Discuss
Correct Answer: inversely
- 3. The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is
Options- A. 2/3
- B. 3/4
- C. 1
- D. 9/8 Discuss
Correct Answer: 9/8
- 4. A beam of triangular section is placed with its base horizontal. The maximum shear stress occurs at
Options- A. apex of the triangle
- B. mid of the height
- C. centre of gravity of the triangle
- D. base of the triangle Discuss
Correct Answer: mid of the height
- 5. The shear stress at the centre of a circular shaft under torsion is
Options- A. zero
- B. minimum
- C. maximum
- D. infinity Discuss
Correct Answer: zero
- 6. At the neutral axis of a beam, the shear stress is
Options- A. zero
- B. minimum
- C. maximum
- D. infinity Discuss
Correct Answer: maximum
- 7. The product of Young's modulus (E) and moment of inertia (I) is known as
Options- A. modulus of rigidity
- B. bulk modulus
- C. flexural rigidity
- D. torsional rigidity Discuss
Correct Answer: flexural rigidity
- 8. The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.
Options- A. Agree
- B. Disagree Discuss
Correct Answer: Agree
- 9. A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free.
Options- A. l/8
- B. l/4
- C. l/2
- D. l Discuss
Correct Answer: l/4
- 10. If there is a fall in the temperature of a composite body, then a member having greater coefficient of linear expansion will be subjected to compressive stress.
Options- A. True
- B. False Discuss
Correct Answer: False
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