Groundwater(Engineering > Engineering Geology ) Questions and Answers

Question 1. The quantity of water that can be withdrawn annually and also the rate at which this withdrawal could be made without adversely affecting the inventory of the aquifer is called __________
  1.    Annual yield
  2.    Percent yield
  3.    Operational yield
  4.    Monthly yield
Explanation:-
Answer: Option C. -> Operational yield
Answer: (c).Operational yield
Question 2. When would the dam become irrelevant?
  1.    When the rocks are strong
  2.    When the rocks are impermeable
  3.    When the rocks are porous
  4.    When the rocks are weathered to a certain extent
Explanation:-
Answer: Option C. -> When the rocks are porous
Answer: (c).When the rocks are porous
Question 3. Which quality of rock should be known properly for the foundations of dams, reservoirs, etc.?
  1.    Colour knowledge
  2.    Geological
  3.    Hydrogeological
  4.    History of the formation of rocks
Explanation:-
Answer: Option C. -> Hydrogeological
Answer: (c).Hydrogeological
Question 4. When an aquifer is used to artificially recharge by making it pass through an intervening layer, the aquifer acts as __________
  1.    A cooling agent
  2.    An aerating agent
  3.    An odour agent
  4.    A filter plant
Explanation:-
Answer: Option D. -> A filter plant
Answer: (d).A filter plant
Question 5. Groundwater is a source of trouble at which place?
  1.    Plains
  2.    Slopes
  3.    Rivers
  4.    Lakes
Explanation:-
Answer: Option B. -> Slopes
Answer: (b).Slopes
Question 6. The root system of crops in water-logged areas get __________
  1.    Decomposed
  2.    Enriched with nutrients
  3.    Photosynthesised
  4.    Growth inhibited
Explanation:-
Answer: Option A. -> Decomposed
Answer: (a).Decomposed
Question 7. The lubricating action of water is a positive action for slope rocks.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 8. An associated protection of rising water-table is the development of __________
  1.    Loss of nutrients
  2.    Loss of good quality of water
  3.    Salinity of water
  4.    Increase in turbidity
Explanation:-
Answer: Option C. -> Salinity of water
Answer: (c).Salinity of water
Question 9. The vadose water which is lost to the atmosphere by transpiration and evaporation is __________
  1.    Soil water
  2.    Intermediate water
  3.    Phreatic water
  4.    Water table
Explanation:-
Answer: Option A. -> Soil water
Answer: (a).Soil water
Question 10. Which zone is a zone of non-saturation among vadose water?
  1.    Soil water
  2.    Intermediate water
  3.    Phreatic water
  4.    Water table
Explanation:-
Answer: Option B. -> Intermediate water
Answer: (b).Intermediate water
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