Discussion
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- Question
The planes, which carry no shear stress, are known as principal planes.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Within elastic limit, shear stress is __________ shear strain.
Options- A. equal to
- B. less than
- C. directly proportional to
- D. inversely proportional to Discuss
- 2. The maximum bending moment of a simply supported beam of span l and carrying a point load W at the centre of beam, is
Options- A. Wl/4
- B. Wl/2
- C. Wl
- D. Wl2/4 Discuss
- 3. A pressure vessel is said to be a thick shell, when
Options- A. it is made of thick sheets
- B. the internal pressure is very high
- C. the ratio of wall thickness of the vessel to its diameter is less than 1/10.
- D. the ratio of wall thickness of the vessel to its diameter is greater than 1/10. Discuss
- 4. In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
Options- A. decreases slowly
- B. increases slowly
- C. decreases more quickly
- D. increases more quickly Discuss
- 5. In the above question, the ratio of stiffness of spring 'B' to spring 'A' will be
Options- A. 2
- B. 4
- C. 6
- D. 8 Discuss
- 6. 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
- 7. The stiffness of a closely-coiled helical spring is __________ proportional to number of turns.
Options- A. directly
- B. inversely Discuss
- 8. 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
- 9. 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
- 10. The shear stress at the centre of a circular shaft under torsion is
Options- A. zero
- B. minimum
- C. maximum
- D. infinity Discuss
Strength of Materials problems
Search Results
Correct Answer: directly proportional to
Correct Answer: Wl/4
Correct Answer: the ratio of wall thickness of the vessel to its diameter is greater than 1/10.
Correct Answer: increases more quickly
Correct Answer: 8
Correct Answer: beyond point A
Correct Answer: inversely
Correct Answer: 9/8
Correct Answer: mid of the height
Correct Answer: zero
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