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MCQs

Total Questions : 440 | Page 2 of 44 pages
Question 11. Non-recording rain gauges
  1.    collect the rain whose volume is measured by means of graduated cylinders
  2.    collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth
  3.    are generally used in hilly terrain
  4.    are cylindrical in shape.
 Discuss Question
Answer: Option B. -> collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth
Answer: (b).collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth
Question 12. Indian Meteorological department uses the standard gauges whose collectors have apertures of
  1.    50 or 100 sq. cm area
  2.    100 or 150 sq. cm area
  3.    100 or 200 sq. cm area
  4.    250 or 500 sq. cm area.
 Discuss Question
Answer: Option C. -> 100 or 200 sq. cm area
Answer: (c).100 or 200 sq. cm area
Question 13. The Dupuit formula is based on
  1.    one observation well
  2.    two observation wells
  3.    three observation wells
  4.    no observation well
 Discuss Question
Answer: Option D. -> no observation well
Answer: (d).no observation well
Question 14. A well is sunk in an unconfined aquifer having a saturated depth of 100 m. Assuming the equilibrium flow conditions and a homogeneous aquifer and radius of influence to be same, the ratio of discharges at 20 m and 40 m draw downs, is
  1.    2/3
  2.    5/4
  3.    4/5
  4.    8/7
 Discuss Question
Answer: Option D. -> 8/7
Answer: (d).8/7
Question 15. Evaporation losses depend upon
  1.    area of the water surface and depth of the water
  2.    nature of precipitation and type of vegetation
  3.    humidity and wind velocity
  4.    all the above.
 Discuss Question
Answer: Option D. -> all the above.
Answer: (d).all the above.
Question 16. Pettis formula Q = C (P.B)^5/4 cumecs, is based upon
  1.    rainfall and drainage area
  2.    run off and drainage area
  3.    drainage area and its shape
  4.    drainage area.
 Discuss Question
Answer: Option A. -> rainfall and drainage area
Answer: (a).rainfall and drainage area
Question 17. The earthen embankments constructed parallel to the river banks at some suitable distance for flood control, are known as
  1.    floods walls
  2.    river walls
  3.    levees
  4.    both (c) and (d).
 Discuss Question
Answer: Option D. -> both (c) and (d).
Answer: (d).both (c) and (d).
Question 18. For predicting floods of a given frequency, the best reliable method is
  1.    Unit hydrograph method
  2.    Gumbel's analytical method
  3.    California method
  4.    None of these.
 Discuss Question
Answer: Option A. -> Unit hydrograph method
Answer: (a).Unit hydrograph method
Question 19. In nature water may occur as
  1.    liquid
  2.    solid
  3.    vapours
  4.    all the above.
 Discuss Question
Answer: Option D. -> all the above.
Answer: (d).all the above.
Question 20. Hydrology is the science which deals with
  1.    rain water
  2.    river water
  3.    sea water
  4.    surface and underground water
 Discuss Question
Answer: Option D. -> surface and underground water
Answer: (d).surface and underground water

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