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MCQs

Total Questions : 828 | Page 78 of 83 pages
Question 771. The most commonly used sewer under culverts is_______________?
  1.    circular brick sewer
  2.    circular cast iron sewer
  3.    semi-elliptical sewer
  4.    horse-shoe type sewer
 Discuss Question
Answer: Option A. -> circular brick sewer
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 772. The main disadvantage of cement concrete sewers is________________?
  1.    less strength
  2.    difficulty in construction
  3.    difficulty in transportation due to heavy weight
  4.    less life
 Discuss Question
Answer: Option C. -> difficulty in transportation due to heavy weight
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 773. The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is_________________?
  1.    separate system
  2.    combined system
  3.    partially separate system
  4.    partially combined system
 Discuss Question
Answer: Option B. -> combined system
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 774. The design discharge for the combined sewer system shall be taken as________________?
  1.    equal to rainfall
  2.    rainfall + DWF
  3.    rainfall + 2 DWF
  4.    rainfall + 6 DWF
 Discuss Question
Answer: Option C. -> rainfall + 2 DWF
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 775. The slope of sewer shall be__________________?
  1.    given in the direction of natural slope of ground
  2.    given in the direction opposite to natural slope of ground
  3.    zero
  4.    steeper than 1 in 20
 Discuss Question
Answer: Option A. -> given in the direction of natural slope of ground
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 776. The specific gravity of sewage is_______________?
  1.    much greater than 1
  2.    slightly less than 1
  3.    equal to 1
  4.    slightly greater than 1
 Discuss Question
Answer: Option D. -> slightly greater than 1
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 777. If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be__________________?
  1.    4 mm/hr
  2.    10mm/hr
  3.    20 mm/hr
  4.    40 mm/hr
 Discuss Question
Answer: Option D. -> 40 mm/hr
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 778. If Biochemical oxygen demand (BOD. of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is_________________?
  1.    1000
  2.    4000
  3.    100000
  4.    400000
 Discuss Question
Answer: Option D. -> 400000
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 779. For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?
  1.    separate system
  2.    combined system
  3.    partially combined system
  4.    partially separate system
 Discuss Question
Answer: Option A. -> separate system
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 780. Sewerage system is usually designed for_________________?
  1.    10 years
  2.    25 years
  3.    50 years
  4.    75 years
 Discuss Question
Answer: Option B. -> 25 years
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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