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MCQs

Total Questions : 153 | Page 8 of 16 pages
Question 71. The temperature stresses producing worst effects in the design of arch dams are caused by ______________
  1.    rise in temperature
  2.    fall in temperature
  3.    both rise and fall
  4.    no effect in the design
 Discuss Question
Answer: Option B. -> fall in temperature
Answer: (b).fall in temperature
Question 72. The best design of an arch dam is when __________________
  1.    all horizontal water loads are transferred horizontally to the abutments
  2.    the dam is safe against sliding at various levels
  3.    the load is divided between the arches and cantilevers and the deflections at the conjugal points being equal
  4.    the deflections of the cantilevers are equal at different points
 Discuss Question
Answer: Option C. -> the load is divided between the arches and cantilevers and the deflections at the conjugal points being equal
Answer: (c).the load is divided between the arches and cantilevers and the deflections at the conjugal points being equal
Question 73. According to thin cylinder theory, the volume of concrete required for an arch dam would be minimum if the central angle is ____________
  1.    130° 34’
  2.    133° 34’
  3.    143° 34’
  4.    153° 34’
 Discuss Question
Answer: Option B. -> 133° 34’
Answer: (b).133° 34’
Question 74. The stresses due to rib-shortening become quite important in the case of _____________
  1.    long thin arch dams
  2.    thick arch dams of small angle
  3.    both thin and thick arch dams
  4.    all types of arch dams
 Discuss Question
Answer: Option B. -> thick arch dams of small angle
Answer: (b).thick arch dams of small angle
Question 75. Which of the following is not the basis for the design of an arch dam?
  1.    Thin cylinder theory
  2.    Trial load theory
  3.    Unit column theory
  4.    Elastic theory
 Discuss Question
Answer: Option C. -> Unit column theory
Answer: (c).Unit column theory
Question 76. At a given elevation, the thickness of the arch ring is proportional to the radius of the arch.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 77. The load from the deck of a buttress dam is transmitted to the foundations through the ______
  1.    corbels
  2.    buttresses
  3.    lateral braces
  4.    sloping deck
 Discuss Question
Answer: Option B. -> buttresses
Answer: (b).buttresses
Question 78. Which of the following dam is also known as the Amberson dam?
  1.    Multiple arch buttress dam
  2.    Mushroom head buttress dam
  3.    Massive head buttress dam
  4.    Free deck buttress dam
 Discuss Question
Answer: Option D. -> Free deck buttress dam
Answer: (d).Free deck buttress dam
Question 79. Which of the following dam requires no reinforcement?
  1.    Fixed deck buttress dam
  2.    Simple deck buttress dam
  3.    Cantilever deck buttress dam
  4.    Massive head buttress dam
 Discuss Question
Answer: Option D. -> Massive head buttress dam
Answer: (d).Massive head buttress dam
Question 80. Multiple arch dams are generally used for ______________
  1.    high heights
  2.    low heights
  3.    medium heights
  4.    any height
 Discuss Question
Answer: Option A. -> high heights
Answer: (a).high heights

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