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MCQs

Total Questions : 79 | Page 5 of 8 pages
Question 41. The essential feature of a pneumatic caissons are __________
  1.    Tilting can be avoided and Removing water by Compressed air
  2.    Skin fraction is zero
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Tilting can be avoided and Removing water by Compressed air
Answer: (a).Tilting can be avoided and Removing water by Compressed air
Question 42. The working chamber of pneumatic caissons are kept airtight because ________
  1.    To avoid tilting
  2.    To remove the soil
  3.    To prevent water from entering the chamber
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> To prevent water from entering the chamber
Answer: (c).To prevent water from entering the chamber
Question 43. The allowable pressure that is allowed inside the working chamber of pneumatic caissons is _______
  1.    2 kg/cm²
  2.    4 kg/cm²
  3.    3.5 kg/cm²
  4.    7 kg/cm²
 Discuss Question
Answer: Option C. -> 3.5 kg/cm²
Answer: (c).3.5 kg/cm²
Question 44. Advantage of using pneumatic caissons are _________
  1.    Affords easy inspection and Process is done under control conditions
  2.    Sinking process is easy
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Affords easy inspection and Process is done under control conditions
Answer: (a).Affords easy inspection and Process is done under control conditions
Question 45. The method of construction of pneumatic caisson is similar to ________
  1.    Box caissons
  2.    Open caissons
  3.    Rectangular caissons
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Open caissons
Answer: (b).Open caissons
Question 46. Disadvantage of using pneumatic caissons are ________
  1.    Process cannot be done under control conditions
  2.    Sinking process is tedious
  3.    Inspection process is time consuming
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Sinking process is tedious
Answer: (b).Sinking process is tedious
Question 47. The limiting head of water value in pneumatic caisson is ________
  1.    40 m
  2.    25 m
  3.    35 m
  4.    50 m
 Discuss Question
Answer: Option C. -> 35 m
Answer: (c).35 m
Question 48. In order to prevent leakage of air in the working chamber ________ is provided.
  1.    Arrangement of double gates
  2.    Air compressor
  3.    Air lock
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Arrangement of double gates
Answer: (a).Arrangement of double gates
Question 49. Pneumatic caissons are closed at _________ during construction.
  1.    Bottom
  2.    Top
  3.    Top and bottom
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Top
Answer: (b).Top
Question 50. In order to assist sinking of well __________ method is used in pneumatic caissons.
  1.    Air pressure is reduced and Using explosive
  2.    Using airlocks
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Air pressure is reduced and Using explosive
Answer: (a).Air pressure is reduced and Using explosive

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