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MCQs

Total Questions : 123 | Page 2 of 13 pages
Question 11. In a triangular notch an error of 1% in measuring head will produce _____ error in discharge
  1.    1%
  2.    1.5%
  3.    2%
  4.    2.5%
 Discuss Question
Answer: Option D. -> 2.5%


2.5%


Question 12. When the fluid properties do not change with time, it is a _____ flow
  1.    steady
  2.    uniform
  3.    unsteady
  4.    non-uniform
 Discuss Question
Answer: Option A. -> steady


steady


Question 13. A horizontal pipe of carrying liquid increases its diameter d1 to d2. The pressure increase is maximum when d1 to d2 is
  1.    1/2
  2.    1/3
  3.    1/Sqrt(2)
  4.    1/4
 Discuss Question
Answer: Option C. -> 1/Sqrt(2)


1/Sqrt(2)


Question 14. Diameter of nozzle d for maximum power transmission is given as
  1.    d = (D^5 / 8fl)^1/4
  2.    d = (D^5 / 8fl)^1/5
  3.    d = (D^4 / 8fl)^1/5
  4.    d = (8fl/5)^1/4
 Discuss Question
Answer: Option A. -> d = (D^5 / 8fl)^1/4


d = (D^5 / 8fl)^1/4


Question 15. The coefficient of discharge for a convergent divergent mouth piece is
  1.    2/3
  2.    1/3
  3.    1/2
  4.    3/4
 Discuss Question
Answer: Option B. -> 1/3


1/3


Question 16. When the reservoir is full, the maximum compressive force in a gravity dam is produced
  1.    at the toe
  2.    at the heel
  3.    within the middle third of base
  4.    at centre of base
 Discuss Question
Answer: Option A. -> at the toe


at the toe


Question 17. For a flood control reservoir, the effective storage is equal to
  1.    useful storage - valley storage
  2.    useful storage + surcharge storage
  3.    useful storage - surcharge storage
  4.    useful storage + surcharge storage - valley storage
 Discuss Question
Answer: Option D. -> useful storage + surcharge storage - valley storage


useful storage + surcharge storage - valley storage


Question 18. A unit hydrograph has one unit of
  1.    rainfall duration
  2.    rainfall excess
  3.    time base of direct runoff
  4.    discharge
 Discuss Question
Answer: Option C. -> time base of direct runoff


time base of direct runoff


Question 19. A water shed canal
  1.    irrigates only on one side
  2.    avoids the cross drainage works
  3.    is generally aligned parallel to the contours of the area
  4.    is most suitable in hilly areas
 Discuss Question
Answer: Option B. -> avoids the cross drainage works


avoids the cross drainage works


Question 20. The meander pattern of a river is developed by
  1.    average discharge
  2.    dominant discharge
  3.    maximum discharge
  4.    critical discharge
 Discuss Question
Answer: Option B. -> dominant discharge


dominant discharge


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