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MCQs

Total Questions : 58 | Page 3 of 6 pages
Question 21. If the pore pressure is measured during un-drained stage of the test, the result can be expressed in terms of __________
  1.    C’ and φ
  2.    cu
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> C’ and φ
Answer: (a).C’ and φ
Question 22. What will be the shearing resistance of a sample of clay in an unconfined compression test, falls under a load of 150 N? Take change of cross-section Af=2181.7 mm².
  1.    68.75 kN/m²
  2.    34.38 kN/m²
  3.    11.35 kN/m²
  4.    0.6875 kN/m²
 Discuss Question
Answer: Option B. -> 34.38 kN/m²
Answer: (b).34.38 kN/m²
Question 23. The equation for the unconsolidated un drainage strength of clay is __________
  1.    τ = c + σ tan φ
  2.    τf = ccu + σ tan φcu
  3.    τ = c + σ
  4.    τ = σ tan φ
 Discuss Question
Answer: Option B. -> τf = ccu + σ tan φcu
Answer: (b).τf = ccu + σ tan φcu
Question 24. The deviator stress developed in the proving ring, through the applied pressure is equal to are____________
  1.    σ1 + σ3
  2.    σ1 – σ3
  3.    σ2 – σ3
  4.    σ2 + σ1
 Discuss Question
Answer: Option B. -> σ1 – σ3
Answer: (b).σ1 – σ3
Question 25. The deviator stress σd is given by __________
  1.    σd = σ1 + σ
  2.    σd = σ3 – σ1
  3.    σd=additional axial load/A2
  4.    σd = σ1 – σ3
 Discuss Question
Answer: Option C. -> σd=additional axial load/A2
Answer: (c).σd=additional axial load/A2
Question 26. When the sol is in the state of stress, it is said to be in _____________
  1.    Constant state
  2.    Plastic equilibrium
  3.    Stress conditioned state
  4.    Equilibrium condition
 Discuss Question
Answer: Option B. -> Plastic equilibrium
Answer: (b).Plastic equilibrium
Question 27. In unconfined compression test the value of σ2 and σ3 is equal to ____________
  1.    1
  2.    0
  3.    0.5
  4.    ½
 Discuss Question
Answer: Option B. -> 0
Answer: (b).0
Question 28. Which of the following is an advantage of using tri axial test?
  1.    Accurate result is not possible
  2.    The plane of shear failure is predetermined
  3.    Stress conditions are complex
  4.    Precise measurement
 Discuss Question
Answer: Option D. -> Precise measurement
Answer: (d).Precise measurement
Question 29. The unconfined compression test is derived from _____________
  1.    Direct shear test
  2.    Vane shear test
  3.    Tri axial compression tests
  4.    Drained test
 Discuss Question
Answer: Option C. -> Tri axial compression tests
Answer: (c).Tri axial compression tests
Question 30. The unconfined compression test was first designed by _________
  1.    A. casagrande and Goyal
  2.    Singh
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> A. casagrande and Goyal
Answer: (a).A. casagrande and Goyal

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