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MCQs

Total Questions : 1556 | Page 151 of 156 pages
Question 1501. The use of coarse screens for the disposal of sewage, may be dispensed with by______________?
  1.    Comminutor
  2.    Shredder
  3.    Both A. and B.
  4.    Neither A. nor B.
 Discuss Question
Answer: Option C. -> Both A. and B.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1502. For detecting the nitrates in sewage, the colour may be developed by adding________________?
  1.    Potassium permanganate
  2.    Sulphuric acid and napthamine
  3.    Phenol-di -sulphuric acid and potassium hydroxide
  4.    None of these
 Discuss Question
Answer: Option C. -> Phenol-di -sulphuric acid and potassium hydroxide
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1503. A drop manhole is provided if__________________?
  1.    A sewer drops from a height
  2.    A branch sewer joins the main sewer at higher level
  3.    A lamp is inserted to check obstruction
  4.    None of these
 Discuss Question
Answer: Option B. -> A branch sewer joins the main sewer at higher level
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1504. ‘Cowl’ is provided at___________________?
  1.    Lower end of ventilating column
  2.    Upper end of ventilating column
  3.    Upper end of the manhole
  4.    First step in manhole
 Discuss Question
Answer: Option B. -> Upper end of ventilating column
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1505. For design of sewers, percentage of sewage discharge is assumed_____________________?
  1.    65 to 70%
  2.    70 to 75%
  3.    75 to 80%
  4.    85%
 Discuss Question
Answer: Option C. -> 75 to 80%
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1506. If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, Is_____________________?
  1.    1.250 D
  2.    1.350 D
  3.    1.425 D
  4.    1.625 D
 Discuss Question
Answer: Option D. -> 1.625 D
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1507. For evaporation and measurement of settable solids, the apparatus used, is________________?
  1.    A jar
  2.    A breaker
  3.    A test tube
  4.    An Imhoff cone
 Discuss Question
Answer: Option D. -> An Imhoff cone
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1508. Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to_______________?
  1.    Initial demand
  2.    First stage demand
  3.    Carbonaceous demand
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1509. In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is_______________?
  1.    Separate system
  2.    Combined system
  3.    Partially combined system
  4.    None of these
 Discuss Question
Answer: Option B. -> Combined system
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1510. 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________?
  1.    0°C
  2.    15°C
  3.    20°C
  4.    25°C
 Discuss Question
Answer: Option C. -> 20°C
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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