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Total Questions : 53 | Page 6 of 6 pages
Question 51. A tension bar 6m long is made up of two parts, 4m of its length has cross sectional area of 12.5cm while the remaining 2m has 25cm. An axial load 5tonnes is gradually applied. What will be the total strain energy produced if E = 2 x 10⁶ kgf/cm²?
  1.    240kgf/cm
  2.    242kgf/cm
  3.    264kgf/cm
  4.    270kgf/cm
 Discuss Question
Answer: Option B. -> 242kgf/cm
Answer: (b).242kgf/cm
Question 52. What is the strain energy stored in a body when the load is applied with impact?
  1.    σE/V
  2.    σE²/V
  3.    σV²/E
  4.    σV²/2E
 Discuss Question
Answer: Option D. -> σV²/2E
Answer: (d).σV²/2E
Question 53. What will be the stress induced in the rod if the height through which load is dropped is zero?
  1.    P/A
  2.    2P/A
  3.    P/E
  4.    2P/E
 Discuss Question
Answer: Option B. -> 2P/A
Answer: (b).2P/A

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