The rainfall at any place may be determined by__________________?

Related Mcqs:

1. A rainfall may be classified as acidic if its pH value is less or equal to________________?

   A. 6
   B. 7
   C. 5
   D. 6.5

2. The quantity of liquid waste which flows in sewers during the period of rainfall, is known__________________?

   A. Sanitary sewage
   B. Industrial waste
   C. Storm sewage
   D. None of these

3. The pH value of sewage is determined with the help of_________________?

   A. Imhoff Cone
   B. Turbid meter
   C. Potentiometer
   D. None of these

4. Setting out the alignments of sewers may start from__________________?

   A. City
   B. Out-fall
   C. Tail end
   D. Any point

5. Depletion of ozone layer in the outer atmosphere may cause___________________ ?

   A. Lung cancer
   B. Skin cancer
   C. Bronchitis
   D. Heart disorder

6. Pathogens (or pathogenic bacterias) in water may cause___________________?

   A. Typhoid
   B. Cholera
   C. Dysentery
   D. All the above

7. The detention time (t) of a settling tank, may be defined as the time required for_________________?

   A. A particle to travel along its length
   B. A particle to travel from top surface to bottom sludge zone
   C. The flow of sewage to fill the tank
   D. None of these

8. Fresh sewage may become stale in_________________?

   A. One hour
   B. Two to three hours
   C. Three to four hours
   D. Six hours

9. If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by_________________?

   A. Chezy
   B. Manning
   C. Bazin
   D. Kutter

10. The use of coarse screens for the disposal of sewage, may be dispensed with by______________?

    A. Comminutor
    B. Shredder
    C. Both A. and B.
    D. Neither A. nor B.