Lakshya Education MCQs

Question: At the junction of sewers
Options:
A.Top of smaller sewer is kept lower
B.Top of larger sewer is kept lower
C.Tops of both the sewers are at the same level
D.None of these
Answer: Option D

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More Questions on This Topic :

Question 1. The most effective arrangement for diverting excess storm water into a natural drainage, is
  1.    Leaping weir
  2.    Overflow weir
  3.    Siphon spill way
  4.    None of these
Answer: Option C
Question 2. Imhoff cone is used to determine
  1.    Settleable solids
  2.    Suspended solids
  3.    Dissolved solids
  4.    None of these
Answer: Option A
Question 3. The algae dies out in the zone of
  1.    Degradation
  2.    Active decomposition
  3.    Recovery
  4.    Cleaner water
Answer: Option A
Question 4. The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is
  1.    25 %
  2.    50 %
  3.    10 %
  4.    5 %
Answer: Option B
Question 5. The design period in years for pumping plants, is
  1.    1
  2.    2 to 3
  3.    3 to 5
  4.    5 to 10
Answer: Option D
Question 6. The most dangerous pollutant in vehicular emissions is
  1.    CO₂
  2.    SO₂
  3.    CO₂
  4.    O₂
Answer: Option C

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