Top 350+ Solved Public Health Engineering MCQ Questions Answer
Q. The maximum permissible colour for domestic supplies, on platinum cobalt scale is
a. 5 to 10 ppm
b. 10 to 20 ppm
c. 20 to 30 ppm
d. 30 to 40 ppm
Q. The maximum permissible turbidity for domestic supplies, on silica scale is
a. 5 to 10 ppm
b. 10 to 20 ppm
c. 20 to 30 ppm
d. 30 to 40 ppm
Q. The rate of settling of a particle in water depends upon the
a. viscosity of water
b. density of water
c. specific gravity of particle
d. all of these
Q. The quantity of water available from an infiltration gallery depends upon the
a. size of gallery
b. nature of soil
c. yield of source
d. all of these
Q. A good trap should
a. not have self cleaning property
b. restrict the flow of water
c. provide an adequate water seal at all times
d. all of these
Q. The organic impurities in water form a layer on the top of a filtering media. Such a layer is called
a. permeable layer
b. filtering layer
c. dirty skin
d. none of these
Q. In one pipe system of plumbing, waste water is carried away from
a. bath rooms
b. kitchens
c. wash basins
d. all of these