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MCQs

Total Questions : 88 | Page 2 of 9 pages
Question 11. House drainage should be laid by the side of the building.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 12. The house sewer should always be _______
  1.    Straight
  2.    Perpendicular to the house
  3.    At an angle of 45˚ to the house
  4.    At an angle of 135˚ to the house
 Discuss Question
Answer: Option A. -> Straight
Answer: (a).Straight
Question 13. How many traps are present based on the shape?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Answer: (c).3
Question 14. Which of these is not an important component of house drainage system?
  1.    Traps
  2.    Pipes
  3.    Sanitary fittings
  4.    Aerators
 Discuss Question
Answer: Option D. -> Aerators
Answer: (d).Aerators
Question 15. Rain water from roofs can be allowed to flow through the house sewers.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 16. Hydrogen sulphide is formed under ______ conditions.
  1.    Aerobic
  2.    Anaerobic
  3.    Anaerobic and aerobic
  4.    Any
 Discuss Question
Answer: Option B. -> Anaerobic
Answer: (b).Anaerobic
Question 17. What is the temperature condition required for hydrogen sulphide formation?
  1.    Warm
  2.    Cold
  3.    Extreme cold
  4.    Intermediate
 Discuss Question
Answer: Option A. -> Warm
Answer: (a).Warm
Question 18. The rate of release of H₂S is high at the points of ______
  1.    Low velocity
  2.    Low flow
  3.    Low turbulence
  4.    High turbulence
 Discuss Question
Answer: Option D. -> High turbulence
Answer: (d).High turbulence
Question 19. What is the exposure limit of H₂S in a day?
  1.    2 ppm
  2.    1 ppm
  3.    0.5 ppm
  4.    0.1 ppm
 Discuss Question
Answer: Option D. -> 0.1 ppm
Answer: (d).0.1 ppm
Question 20. What is the flow velocity condition required for the formation of hydrogen sulphide?
  1.    Low
  2.    Medium
  3.    High
  4.    Rapid
 Discuss Question
Answer: Option A. -> Low
Answer: (a).Low

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