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MCQs

Total Questions : 58 | Page 3 of 6 pages
Question 21. What is the upper surface of water in a confined aquifer called?
  1.    Primary layer
  2.    Secondary layer
  3.    First layer
  4.    Peizometric layer
 Discuss Question
Answer: Option D. -> Peizometric layer
Answer: (d).Peizometric layer
Question 22. What is the isolated water table held by a small extension of impervious rock called?
  1.    Underlying water
  2.    Secret water
  3.    Perched water
  4.    Underwater
 Discuss Question
Answer: Option C. -> Perched water
Answer: (c).Perched water
Question 23. Supplies from perched water-table are reliable as source of water.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 24. What is the quantity of water that a unit volume of aquifer drains by gravity called?
  1.    Porous volume
  2.    Water yield
  3.    Specific yield
  4.    Unit yield
 Discuss Question
Answer: Option C. -> Specific yield
Answer: (c).Specific yield
Question 25. The term which is collectively responsible, along with specific yield, for total porosity of an aquifer is __________
  1.    Unit yield
  2.    Specific retention
  3.    Unit retention
  4.    Specific allowance
 Discuss Question
Answer: Option B. -> Specific retention
Answer: (b).Specific retention
Question 26. Which sedimentary rock is told to be the best kind of formation for groundwater?
  1.    Sandstone
  2.    Shale
  3.    Gravel
  4.    Limestone
 Discuss Question
Answer: Option C. -> Gravel
Answer: (c).Gravel
Question 27. What is rated next to the gravels as water yielding materials?
  1.    Sandstone
  2.    Sands
  3.    Granite
  4.    Limestone
 Discuss Question
Answer: Option B. -> Sands
Answer: (b).Sands
Question 28. The rock which shows great variation in water yielding capacity is __________
  1.    Sandstone
  2.    Granite
  3.    Coal
  4.    Marble
 Discuss Question
Answer: Option A. -> Sandstone
Answer: (a).Sandstone
Question 29. The porosity range of limestone is __________
  1.    50 to 75%
  2.    20 to 50%
  3.    10 to 40%
  4.    1 to 20%
 Discuss Question
Answer: Option D. -> 1 to 20%
Answer: (d).1 to 20%
Question 30. What are the qualities required for glacial deposits to make good aquifers?
  1.    Uniform size and rounded nature
  2.    Non-uniform and angular nature
  3.    Uniform size and angular nature
  4.    Non-uniform and rounded nature
 Discuss Question
Answer: Option A. -> Uniform size and rounded nature
Answer: (a).Uniform size and rounded nature

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