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MCQs

Total Questions : 77 | Page 7 of 8 pages
Question 61. Pick the wrong statement about arch dams.
  1.    Arch dams are heavier compared to other types
  2.    Arch dams offer many advantages over other dams
  3.    Arch dams are quite thin walled compared to gravity dams
  4.    Arch dams are lighter in weight compared to other types
 Discuss Question
Answer: Option A. -> Arch dams are heavier compared to other types
Answer: (a).Arch dams are heavier compared to other types
Question 62. The type of arch dam in which upstream face is vertical is __________
  1.    Constant radius arch dam
  2.    Variable radius arch dam
  3.    Vertical arch dam
  4.    Inclined arch dam
 Discuss Question
Answer: Option A. -> Constant radius arch dam
Answer: (a).Constant radius arch dam
Question 63. What aspect of the joint has to be thoroughly studied before construction of a dam?
  1.    Geometry of the joint
  2.    The depth of the joint
  3.    Nature of the joint
  4.    The texture of the rocks
 Discuss Question
Answer: Option D. -> The texture of the rocks
Answer: (d).The texture of the rocks
Question 64. The most unfavourable strike direction is when the beds?
  1.    Strike parallel to axis of dam and the dip is upstream
  2.    Strike parallel to axis of dam and the dip is downstream
  3.    Strike normal to axis of dam and the dip is downstream
  4.    Strike normal to axis of dam and the dip is upstream
 Discuss Question
Answer: Option B. -> Strike parallel to axis of dam and the dip is downstream
Answer: (b).Strike parallel to axis of dam and the dip is downstream
Question 65. Which joints have to be established with greater care?
  1.    Sheet joints
  2.    Mural joints
  3.    Micro joints
  4.    Columnar joints
 Discuss Question
Answer: Option C. -> Micro joints
Answer: (c).Micro joints
Question 66. Which of the following is not a method for dam construction when a shear zone is encountered?
  1.    Construct on shear zone
  2.    Grouting the shear zones
  3.    Try and avoid the site as much as possible
  4.    Excavation and back filling
 Discuss Question
Answer: Option A. -> Construct on shear zone
Answer: (a).Construct on shear zone
Question 67. In synclinal bends, dams placed on which part would run risk of leaking?
  1.    Upstream limb
  2.    Downstream limb
  3.    Core
  4.    Sloping side
 Discuss Question
Answer: Option A. -> Upstream limb
Answer: (a).Upstream limb
Question 68. The compacted core is generally made of __________
  1.    Shale
  2.    Clay
  3.    Limestone
  4.    Coal
 Discuss Question
Answer: Option B. -> Clay
Answer: (b).Clay
Question 69. When a site is said to be sound, which of the following character is not desirable?
  1.    Strong
  2.    Impermeable
  3.    Stable
  4.    Permeable
 Discuss Question
Answer: Option D. -> Permeable
Answer: (d).Permeable
Question 70. An arch dam cannot be constructed at all when the valley is very wide.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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