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MCQs

Total Questions : 845 | Page 83 of 85 pages
Question 821. For the design of major hydraulic structures on the canals, the method generally preferred to, is based on
  1.    Khosla's method of independent variables
  2.    Bligh's theory
  3.    Electrical analogy method
  4.    The relaxation method
 Discuss Question
Answer: Option A. -> Khosla's method of independent variables
Question 822. If D₁ and D₂ are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is
  1.    (D₂ - D₁)3/4D₁D₂
  2.    (D₂ - D₁)3/D₁D₂
  3.    (D₂ - D₁)3/3D₁D₂
  4.    (D₂ - D₁)3/2D₁D₂
 Discuss Question
Answer: Option A. -> (D₂ - D₁)3/4D₁D₂
Question 823. The duty is largest
  1.    on the field
  2.    at the head of water course
  3.    at the head of a main canal
  4.    same at all places
 Discuss Question
Answer: Option A. -> on the field
Question 824. Disposal of extra excavated earth of canals, is utilized to provide a spoil bank on
  1.    All listed here
  2.    Left side
  3.    Right side
  4.    Both sides
 Discuss Question
Answer: Option A. -> All listed here
Question 825. Groynes are generally built
  1.    Inclined downstream up to 30°
  2.    All listed here
  3.    Perpendicular to the bank
  4.    Inclined up stream up to 30°
 Discuss Question
Answer: Option D. -> Inclined up stream up to 30°
Question 826. In a chute spillway, the flow is usually
  1.    critical
  2.    uniform
  3.    super critical
  4.    subcritical
 Discuss Question
Answer: Option C. -> super critical
Question 827. According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase
  1.    Maximum discharge
  2.    Surface slope of streams above the levied portion
  3.    Water surface elevation during floods
  4.    Rate of flood wave
 Discuss Question
Answer: Option B. -> Surface slope of streams above the levied portion
Question 828. When a canal and a drainage approach each other at the same level, the structure so provided, is
  1.    A level crossing
  2.    An aqueduct
  3.    Inlet and outlet
  4.    A syphon
 Discuss Question
Answer: Option A. -> A level crossing
Question 829. The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be
  1.    140 mm
  2.    50 mm
  3.    90 mm
  4.    60 mm
 Discuss Question
Answer: Option C. -> 90 mm
Question 830. Study the following statements.i) Levees are constructed parallel to river flow,ii) Spurs are constructed parallel to river flow,iii) Levees are constructed transverse to river flow,iv) Spurs are constructed transverse to river flow.The correct answer is
  1.    (ii) and (iii)
  2.    (iii) and (iv)
  3.    (i) and (iv)
  4.    (i) and (ii)
 Discuss Question
Answer: Option C. -> (i) and (iv)

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