Discussion
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- Question
The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called
Options- A. compressive stress
- B. shear stress
- C. bending stress
- D. elastic modulus
- Correct Answer
- bending stress
- 1. The maximum bending moment of a simply supported beam with central point load lies at the point of loading.
Options- A. True
- B. False Discuss
- 2. The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress.
Options- A. equal to
- B. 4/3 times
- C. 1.5 times
- D. twice Discuss
- 3. The strength of a riveted joint is equal to the
Options- A. pull required to tear off the plate per pitch length (Pt)
- B. pull required to shear off the rivet per pitch length (Ps)
- C. pull required to crush the rivet per pitch length (Pc)
- D. minimum value of Pt, Ps or Pc Discuss
- 4. When a change in length takes place, the strain is known as
Options- A. linear strain
- B. lateral strain
- C. volumetric strain
- D. shear strain Discuss
- 5. When a beam is subjected to bending moment, the stress at any point is __________ the distance of the point from the neutral axis.
Options- A. equal to
- B. directly proportional to
- C. inversely proportional to
- D. independent of Discuss
- 6. If the diameter of pressure vessel is 15 times the wall thickness, the vessel is said to be a thick shell.
Options- A. Agree
- B. Disagree Discuss
- 7. In the below figure, Hook's law holds good, for the portion from O to A.
Options- A. Agree
- B. Disagree Discuss
- 8. When the shear force diagram between any two points is an inclined straight line, it indicates that there is a uniformly varying load between the two points.
Options- A. Yes
- B. No Discuss
- 9. The maximum bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length lies at the middle of its length.
Options- A. True
- B. False Discuss
- 10. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be
Options- A. 400 MPa
- B. 500 MPa
- C. 900 MPa
- D. 1400 MPa Discuss
Strength of Materials problems
Search Results
Correct Answer: True
Correct Answer: 1.5 times
Correct Answer: minimum value of Pt, Ps or Pc
Correct Answer: linear strain
Correct Answer: directly proportional to
Correct Answer: Agree
Correct Answer: Agree
Correct Answer: Yes
Correct Answer: False
Correct Answer: 500 MPa
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