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MCQs

Total Questions : 55 | Page 3 of 6 pages
Question 21. A protective filter can also be called as __________
  1.    Reverse filter and Inverted filter
  2.    Horizontal filter
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Reverse filter and Inverted filter
Answer: (a).Reverse filter and Inverted filter
Question 22. What type of filter is provided at the bottom of drainage sumps and trenches?
  1.    Drainage filter
  2.    Reverse filter
  3.    Weighting filter
  4.    Horizontal filter
 Discuss Question
Answer: Option C. -> Weighting filter
Answer: (c).Weighting filter
Question 23. A protective filter is designed to provide _____________
  1.    Soil erosion
  2.    Quick drainage
  3.    Water moisture
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Quick drainage
Answer: (b).Quick drainage
Question 24. The soil to be protected by protective filter is known as __________
  1.    Pervious materials
  2.    Protective materials
  3.    Base material
  4.    Porous materials
 Discuss Question
Answer: Option C. -> Base material
Answer: (c).Base material
Question 25. The requirements to be satisfied by a filter material were devised by which of the following organization?
  1.    U.S.B.R. Earth manual
  2.    Indian standard classification
  3.    PRA system
  4.    M.I.T system
 Discuss Question
Answer: Option A. -> U.S.B.R. Earth manual
Answer: (a).U.S.B.R. Earth manual
Question 26. The phreatic line of an earth dam can be kept within the body of the dam by ___________
  1.    Proper drainage filter
  2.    Providing protective filter
  3.    Increasing soil porosity
  4.    Increasing surface area
 Discuss Question
Answer: Option B. -> Providing protective filter
Answer: (b).Providing protective filter
Question 27. The grain size curve of the filter should be parallel to that of ____________
  1.    Base materials
  2.    Filter
  3.    Seepage discharge
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Base materials
Answer: (a).Base materials
Question 28. The filter material should be ___________ enough to prevent buildup of seepage forces within the filter.
  1.    Coarse and Pervious
  2.    Finer
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Coarse and Pervious
Answer: (a).Coarse and Pervious
Question 29. According to Terzaghi, the D15 size material must be more than the size of __________
  1.    D40
  2.    D85
  3.    D20
  4.    D10
 Discuss Question
Answer: Option B. -> D85
Answer: (b).D85
Question 30. A protective filter consists of layers of _____________
  1.    Base material
  2.    Pervious material
  3.    Filter material
  4.    Sheet-pile
 Discuss Question
Answer: Option B. -> Pervious material
Answer: (b).Pervious material

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