- 6 Which Of The Following Statements Is True When A Load Is Supported By Multiple Elements Redundant Load Paths Are Ess 1 (83.19 KiB) Viewed 27 times
- 6 Which Of The Following Statements Is True When A Load Is Supported By Multiple Elements Redundant Load Paths Are Ess 2 (43.88 KiB) Viewed 27 times
6. Which of the following statements is true when a load is supported by multiple elements? Redundant load paths are essential to keep supported members in equilibrium. (B) Redundant load paths reduce the stiffness of the structure. (C) Load taken by each element is inversely proportional to its stiffness. (D) Load taken by each element is proportional to its stiffness. (E) None of the above are true. Answer: 7. Which of the following statements is true? (A) Stress concentrations occur where there is a change in cross-section. (B) Internal material imperfections can cause stress concentrations. (C) For static loading it is customary to ignore stress concentrations. (D) Stress concentrations may increase stress in all principal directions. (E) All the statements are true. Answer: 8. Which of the following statements is true? (A) Residual stresses can be determined easily. (B) Residual stresses remain in a part as long as heat or external loading does not remove them by yielding. (C) Residual stresses are always disadvantageous. (D) Residual stresses need to be considered only in brittle materials. All the statements are false. (E) Answer:
9. Which of the following discontinuities may result in fatigue crack initiation? (A) Flash line of forging (B) Improper assembly (C) Stamp marks (D) Poor joint design (E) All of the above Answer: 10. Which of the following statements is true? (A) The greater the contact ratio the smoother and quieter the operation of the gear. (B) The contact ratio is only a function of the number of teeth. (C) The lower the contact ratio the smoother and quieter the operation of the gear. (D) Contact ratios smaller than one is acceptable but only for spur gears. (E) None of the above is true. Answer: