Top 350+ Solved Public Health Engineering MCQ Questions Answer
Q. The slow sand filter should be cleaned if the loss of head becomes more than
a. 0.75 m
b. 1.2 m
c. 2.2 m
d. 3.5 m
Q. The self cleaning velocity, recommended for Indian conditions, in order to prevent settling down of seqage at the bottom or on the sides of a large sewer is
a. 0.25 m/s
b. 0.50 m/s
c. 0.75 m/s
d. 1.5 m/s
Q. The yield of the well is measured in
a. cum / h
b. litres / h
c. either (a) or (b)
d. none of these
Q. The yield of the well dpends upon the
a. permeability of the soil
b. position of water table
c. depth of well in impervious layer
d. all of these
Q. The layers such as sand and gravel which allow the water to pass through them are known as
a. previous layers
b. aquifers
c. water bearing strata
d. all of these
Q. Which of the following statement is correct?
a. If the pH value of water is equal to 7, the water is said to be neutral.
b. The pH value determines the strength of the acid or slkali in water.
c. The pH value of water can be obtained by a potentiometer
d. all of the above
Q. A drop manhole is provided if
a. a sewer drops from a height
b. a branch sewer discharges into the main sewer at a higher level
c. both (a) and (b)
d. none of these