Lakshya Education MCQs

Question: For a flood control reservoir, the effective storage is equal to
A.useful storage – valley storage
B.useful storage + surcharge storage
C.useful storage + surcharge storage + valley storage
D.useful storage + surcharge storage -valley storage
Answer: Option D

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More Questions on This Topic :

Question 1. Select the correct statement.
  1.    A meander increases the river length but a cut off reduces the river length
  2.    A cut-off increases the river length but a meander reduces the river length
  3.    Both meander and cut-off increase the river length
  4.    Both meander and cut-off decrease the river length
Answer: Option A
Question 2. Select the incorrect statement.
  1.    Intensive irrigation should be avoided in areas susceptible to water logging
  2.    Extensive irrigation should be adopted in areas susceptible to water logging
  3.    Lift irrigation increases water logging
  4.    All of the above
Answer: Option C
Question 3. When surface of transpiration is submerged under water, then potential evapotranspiration is
  1.    much more than evapotranspiration
  2.    much less than evapotranspiration
  3.    equal to evapotranspiration
  4.    equal to or less than evapotranspi-ration
Answer: Option A
Question 4. The crest level of a canal diversion head work, depends upon
  1.    F.S.L. of the canal
  2.    Discharge perimeters
  3.    Pond level
  4.    All the above
Answer: Option D
Question 5. In Montague type fall
  1.    A straight glacis is provided
  2.    A circular glacis is provided
  3.    A parabolic glacis is provided
  4.    No glacis is provided
Answer: Option C
Question 6. Silt excluders are constructed on the
  1.    river bed upstream of head regulator
  2.    river bed downstream of head regulator
  3.    canal bed upstream of head regulator
  4.    canal bed downstream of head regulator
Answer: Option A

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