Lakshya Education MCQs

Question: An inverted siphon is designed generally for
Options:
A.One pipe
B.Two pipes
C.Three pipes
D.Four pipes
Answer: Option C

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More Questions on This Topic :

Question 1. In sewers the gas generally found, is
  1.    Hydrogen sulphide (H2S)
  2.    Carbon dioxide (CO2)
  3.    Methane (CH4)
  4.    All the above
Answer: Option D
Question 2. Sewer ventilating columns are generally placed at
  1.    Distances 150 m to 300 m
  2.    Upper ends of branch sewers
  3.    Every change in the size of sewers
  4.    All the above
Answer: Option D
Question 3. The coagulant which is generally not used for treating the sewage, is
  1.    Alum
  2.    Ferric chloride
  3.    Ferric sulphate
  4.    Chlorinated coppers
Answer: Option A
Question 4. Pick up the correct statement from the following:
  1.    The water supply pipes carry pure water free from solid particles
  2.    The water supply pipes get clogged if flow velocity is less than self cleansing velocity
  3.    The sewers may be carried up and down the hills and valleys
  4.    The sewer pipes are generally laid along level hills
Answer: Option A
Question 5. Pick up the correct statement from the following:
  1.    The ratio of the quantity of the diluting water to that of the sewage, is known as dilution factor
  2.    The automatic purification of polluted water, is known self purification phenomenon
  3.    The photosynthesis is carried out in the presence of sun light
  4.    All the above
Answer: Option D
Question 6. Stone ware pipes are
  1.    Highly resistant to sulphide corrosion
  2.    Highly impervious
  3.    Hydraulically efficient because of their smooth interior surface
  4.    Especially suited to pressure pipes
Answer: Option D

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