As compared to geometrical increase method of forecasting population, arithmetical increase method gives________________?

Related Mcqs:

1. The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is________________?

   A. 9500
   B. 9800
   C. 10100
   D. 10920

2. The suitable method of forecasting popu¬lation for a young and rapidly increasing city is_________________?

   A. arithmetical increase method
   B. geometrical increase method
   C. incremental increase method
   D. graphical method

3. 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_________________?

   A. 1000
   B. 4000
   C. 100000
   D. 400000

4. As compared to shallow-wells, deep wells have______________?

   A. more depth
   B. less depth
   C. more discharge
   D. less discharge

5. The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally_______________?

   A. less and more
   B. less and less
   C. more and less
   D. more and more

6. As compared to cast iron pipes, steel pipes are______________?

   A. heavier
   B. stronger
   C. costlier
   D. less susceptible to corrosion

7. As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is___________________?

   A. smaller
   B. larger
   C. same
   D. none of the above

8. As compared to rapid sand filters, slow sand filters give______________?

   1) slower filtration rate
   2) higher filtration rate
   3) lesser efficiency in removal of bacteria
   4) higher efficiency in removal of bacteria
   The correct answer is?

   A. (1) and (2)
   B. (2) and (3)
   C. (1) and (4)
   D. (2) and (4)

9. The chemical most commonly used to increase speed of sedimentation of sewage is_______________?

   A. sulphuric acid
   B. copper sulphate
   C. lime
   D. sodium permanganate

10. Assertion A : The consumption of water increases with increase in the distribution pressure. Reason R : Higher distribution pressure causes more loss and waste of water. Select your answer according to the coding system given below?

    A. Both A and R are true and R is the correct explanation of A
    B. Both A and R are true but R is not the correct explanation of A
    C. A is true but R is false
    D. A is false but R is true