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MCQs

Total Questions : 845 | Page 82 of 85 pages
Question 811. The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called
  1.    flexibility
  2.    sensitivity
  3.    setting
  4.    proportionality
 Discuss Question
Answer: Option A. -> flexibility
Question 812. Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
  1.    floating type
  2.    Simon’s raingauge
  3.    weighing type
  4.    tipping bucket type
 Discuss Question
Answer: Option D. -> tipping bucket type
Question 813. If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is
  1.    D = Δ (8.64 D/B)
  2.    B = Δ (8.64 B/D)
  3.    Δ = (8.6 B/D)
  4.    D = (8.6 Δ/B)
 Discuss Question
Answer: Option C. -> Δ = (8.6 B/D)
Question 814. If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by
  1.    k= VTd
  2.    T= Vkd
  3.    T = k/d
  4.    T = kd
 Discuss Question
Answer: Option D. -> T = kd
Question 815. To determine the discharge at a section in a stream from its rating curve, the required data arei) slope of water surface at the sectionii) stage at the sectioniii) current meter readings at the sectionThe correct answer is
  1.    only (ii)
  2.    (i) and (ii)
  3.    only (iii)
  4.    (ii) and (iii)
 Discuss Question
Answer: Option A. -> only (ii)
Question 816. The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, arei) Water pressureii) Self weightiii) Upliftiv) Pressure due to earthquakeThe correct answer is
  1.    (i), (ii) and (iv)
  2.    (i), (ii) and (iii)
  3.    Only (ii)
  4.    (i), (ii), (iii) and (iv)
 Discuss Question
Answer: Option C. -> Only (ii)
Question 817. Variability of rainfall isi) largest in regions of high rainfallii) largest in coastal areasiii) largest in regions of scanty rainfallThe correct answer is
  1.    (ii) and (iii)
  2.    only (i)
  3.    (i) and (ii)
  4.    only (iii)
 Discuss Question
Answer: Option D. -> only (iii)
Question 818. Interception losses are due toi) evaporationii) transpirationiii) stream flowThe correct answer is
  1.    (ii) and (iii)
  2.    (i)and(ii)
  3.    (i), (ii) and (iii)
  4.    only (i)
 Discuss Question
Answer: Option D. -> only (i)
Question 819. If straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the area of its cross-section, is
  1.    R2 (θ + tan θ)
  2.    R (θ + tan θ)
  3.    R2 (θ + cot θ)
  4.    R (θ + cot θ)
 Discuss Question
Answer: Option C. -> R2 (θ + cot θ)
Question 820. The main function of a divide wall is to
  1.    prevent river floods from entering the canal
  2.    control the silt entry in the canal
  3.    provide smooth flow at sufficiently low velocity
  4.    separate the undersluices from weir proper
 Discuss Question
Answer: Option D. -> separate the undersluices from weir proper

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