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MCQs

Total Questions : 112 | Page 7 of 12 pages
Question 61. The maximum velocity in a channel section often occurs _______ the water surface.
  1.    Above
  2.    Below
  3.    Between
  4.    Top
 Discuss Question
Answer: Option B. -> Below
Answer: (b).Below
Question 62. Which of these equations is used to calculate the water velocity inside of a pipe?
  1.    A=Q/I
  2.    V=0.408 Q/ D²
  3.    L=C*Q
  4.    Q=A*V
 Discuss Question
Answer: Option B. -> V=0.408 Q/ D²
Answer: (b).V=0.408 Q/ D²
Question 63. What is the maximum velocity of tap water such that the flow causes low noise?
  1.    0.2-0.3 m/s
  2.    0.5-0.7 m/s
  3.    1.0-2.5 m/s
  4.    1.5-2.5 m/s
 Discuss Question
Answer: Option B. -> 0.5-0.7 m/s
Answer: (b).0.5-0.7 m/s
Question 64. Exceeding 10 ft/sec may increase the likelihood of hydraulic surges.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 65. What is the minimum velocity required in sewers to keep the foreign particles from settling?
  1.    3 ft/sec
  2.    5 ft/sec
  3.    10 ft/sec
  4.    12 ft/sec
 Discuss Question
Answer: Option A. -> 3 ft/sec
Answer: (a).3 ft/sec
Question 66. Wastewater from different sources like bathrooms, kitchens and wash basins is called ______
  1.    Sewage
  2.    Garbage
  3.    Sullage
  4.    Discharge
 Discuss Question
Answer: Option C. -> Sullage
Answer: (c).Sullage
Question 67. Which of the following conditions is not suitable for the disposal of excreta or sewage?
  1.    The waste does not pollute the ground surface
  2.    It is not exposed to the atmosphere
  3.    It should be accessible for children
  4.    It does not give odour nuisance
 Discuss Question
Answer: Option C. -> It should be accessible for children
Answer: (c).It should be accessible for children
Question 68. What is night soil?
  1.    Soil containing urea
  2.    Human excreta
  3.    Animal excreta
  4.    Human excreta, animal excreta and urea
 Discuss Question
Answer: Option D. -> Human excreta, animal excreta and urea
Answer: (d).Human excreta, animal excreta and urea
Question 69. The system to collect night soil, garbage etc. in separate vessels or deposited in pools and pits is called _______
  1.    Conservancy system
  2.    Waste allocation system
  3.    Waste deposition system
  4.    Waste pit
 Discuss Question
Answer: Option A. -> Conservancy system
Answer: (a).Conservancy system
Question 70. In urban cities like Bangalore, which of the water carriage system is used?
  1.    Separate system
  2.    Combined system
  3.    Partially combined system
  4.    Partially separate system
 Discuss Question
Answer: Option A. -> Separate system
Answer: (a).Separate system

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