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MCQs

Total Questions : 152 | Page 2 of 16 pages
Question 11. Whose theory was the first to provide semi-theoretical analysis of the problem of incipient condition of bed motion?
  1.    Lacey’s theory
  2.    Kennedy’s theory
  3.    Shield’s theory
  4.    Strickler’s equation
 Discuss Question
Answer: Option C. -> Shield’s theory
Answer: (c).Shield’s theory
Question 12. For the design of non-scouring channels in coarse alluviums, the shield’s entrainment function should be ____________
  1.    Fₛ > 0.056
  2.    Fₛ < 0.056
  3.    Fₛ = 0.056
  4.    Fₛ = 0
 Discuss Question
Answer: Option C. -> Fₛ = 0.056
Answer: (c).Fₛ = 0.056
Question 13. Strickler’s formula is only applicable to the flexible boundary channels.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 14. What is the minimum size of the bed material that will remain at rest in a channel?
  1.    d > or = 11 R.S
  2.    d < or = 11 R.S
  3.    d = 11 R.S
  4.    d > 11 R.S
 Discuss Question
Answer: Option A. -> d > or = 11 R.S
Answer: (a).d > or = 11 R.S
Question 15. Which one is the correct expression for Shield’s entrainment function?
  1.    Tc / Yw. d. (Gs – 1)
  2.    Tc.Yw / d. (Gs – 1)
  3.    Tc / Yw. d
  4.    Tc .Yw. d / (Gs – 1)
 Discuss Question
Answer: Option A. -> Tc / Yw. d. (Gs – 1)
Answer: (a).Tc / Yw. d. (Gs – 1)
Question 16. What is the effect of scouring in channels?
  1.    The Channel Section gets reduced
  2.    Reduces Discharge Capacity
  3.    Improper Working of Channel
  4.    Breaching of Canal Banks
 Discuss Question
Answer: Option D. -> Breaching of Canal Banks
Answer: (d).Breaching of Canal Banks
Question 17. What is the effect of silting in channels?
  1.    Reduced Discharge Capacity of Channel
  2.    Causes Loss of Command
  3.    Breaching of Canal Banks
  4.    Failure of Irrigation Structures
 Discuss Question
Answer: Option A. -> Reduced Discharge Capacity of Channel
Answer: (a).Reduced Discharge Capacity of Channel
Question 18.
The velocity of flow in a channel should not more or less, but instead it should be adequate.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 19. Which type of state is achievable in artificial channels but not in rivers?
  1.    Turbulent State
  2.    Laminar State
  3.    Regime State
  4.    Uniform State
 Discuss Question
Answer: Option C. -> Regime State
Answer: (c).Regime State
Question 20. On what basis for designing the regime state is obtained?
  1.    Silt and Velocity of Flow
  2.    Silt
  3.    Velocity
  4.    Depth of Channel
 Discuss Question
Answer: Option A. -> Silt and Velocity of Flow
Answer: (a).Silt and Velocity of Flow

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