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MCQs

Total Questions : 94 | Page 2 of 10 pages
Question 11. Khosla’s theory can be used for calculating which of the following?
  1.    Uplift pressure and exit gradient
  2.    Seepage pressure
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Uplift pressure and exit gradient
Answer: (a).Uplift pressure and exit gradient
Question 12. A hydraulic structure should not be built on pervious soil, because of _________
  1.    Higher water level at the upstream of the structure
  2.    Compressibility of the soil is low
  3.    Excessive water pressure above the soil
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Higher water level at the upstream of the structure
Answer: (a).Higher water level at the upstream of the structure
Question 13. The failure of Naror weir in India was due to __________
  1.    Excessive water pressure
  2.    Undermining
  3.    Hydraulic structure
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Excessive water pressure
Answer: (a).Excessive water pressure
Question 14. The hydraulic gradient theory of weir design was developed by __________
  1.    Darcy and Beresford
  2.    Col. Clibborn
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Darcy and Beresford
Answer: (a).Darcy and Beresford
Question 15. Undermining of the sub soil is due to ___________
  1.    Seepage
  2.    Piping
  3.    Excessive water pressure
  4.    Uplift pressure
 Discuss Question
Answer: Option D. -> Uplift pressure
Answer: (d).Uplift pressure
Question 16. If a soil has a voids ratio of 0.68 and water percolating through it has a discharge velocity of 1.35*10¯²cm/s. Calculate its seepage velocity.
  1.    1.35*10¯²cm/s
  2.    2.35*10¯²cm/s
  3.    3.34*10¯²cm/s
  4.    1.05*10¯²cm/s
 Discuss Question
Answer: Option C. -> 3.34*10¯²cm/s
Answer: (c).3.34*10¯²cm/s
Question 17. If the discharge velocity is 1.35*10¯²cm/s and seepage velocity is 3.95*10¯²cm/s of water through a soil, then what will be its voids ratio?
  1.    0.32
  2.    0.43
  3.    0.52
  4.    0.66
 Discuss Question
Answer: Option C. -> 0.52
Answer: (c).0.52
Question 18. The quantity of water, flowing through a saturated soil mass can be estimated by which of the following theory?
  1.    Flow of fluids through porous medium
  2.    Theoretical analysis of Laplace
  3.    Flow of water through saturated soil mass
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Flow of fluids through porous medium
Answer: (a).Flow of fluids through porous medium
Question 19. Water is flowing at a rate of 0.04 m³/s in a soil sample of 12m thick and cross section of 50m². The coefficient of permeability is 1.6*10¯³m/s. The submerged unit weight γ’=9.59 kN/m³. Calculate the effective pressure if flow is in downward direction.
  1.    73.94 kN/m²
  2.    152.34 kN/m²
  3.    155.34 kN/m²
  4.    173.94 kN/m²
 Discuss Question
Answer: Option D. -> 173.94 kN/m²
Answer: (d).173.94 kN/m²
Question 20. What are the types of flow head that exist at any point in a saturated soil mass?
  1.    Piezometric head or pressure head
  2.    Velocity head
  3.    Position head
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned

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