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MCQs

Total Questions : 824 | Page 1 of 83 pages
Question 1. The fire demand of a city may be worked out by
  1.    Kuichling’s formula
  2.    Freeman formula
  3.    Bustan’s formula
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 2. Mathamoglobinemia or blue baby disease is caused due to
  1.    Chlorides
  2.    Nitrites
  3.    Nitrates
  4.    Sulphides
 Discuss Question
Answer: Option C. -> Nitrates
Question 3. Acidity in water is caused due to
  1.    Mineral acids
  2.    Free CO₂
  3.    Aluminium sulphate
  4.    All the above.
 Discuss Question
Answer: Option D. -> All the above.
Question 4. The specific retention is least in case of
  1.    Clay
  2.    Sand
  3.    Silt
  4.    Coarse gravel.
 Discuss Question
Answer: Option D. -> Coarse gravel.
Question 5. Time of concentration
  1.    is the time taken, for precipitation
  2.    duration of rainfall.
  3.    time taken for all the ran off to reach the drain
  4.    time taken for the storm water to travel from the most remote point to the drain.
 Discuss Question
Answer: Option D. -> time taken for the storm water to travel from the most remote point to the drain.
Question 6. The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level
  1.    1500 m
  2.    1505 m
  3.    1475 m
  4.    1485 m
 Discuss Question
Answer: Option D. -> 1485 m
Question 7. Average annual rainfall at any station is the average of annual rainfall over a period of
  1.    14 years
  2.    21 years
  3.    28 years
  4.    35 years
 Discuss Question
Answer: Option D. -> 35 years
Question 8. While determining the yield of open wells by the pumping test
  1.    Velocity of recharging water, increases with depression head
  2.    Depression head resulting at critical velocity, is called critical depression head
  3.    Working head is generally limited to ?rd of the critical depression head
  4.    Maximum safe yield of an open well, is expected at critical depression head
 Discuss Question
Answer: Option D. -> Maximum safe yield of an open well, is expected at critical depression head
Question 9. According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for
  1.    Boarding schools
  2.    Nurses home and medical quarters
  3.    hostels
  4.    all the above
 Discuss Question
Answer: Option D. -> all the above
Question 10. If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is
  1.    1880 kilo litres
  2.    2880 kilo litres
  3.    3880 kilo litres
  4.    4880 kilo litres
 Discuss Question
Answer: Option B. -> 2880 kilo litres

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