Top 350+ Solved Public Health Engineering MCQ Questions Answer
Q. A reflux valve, in water distribution system, is used to
a. protect the pipe against negative pressure
b. regulate the flow of water through the pipe
c. prevent water to flow back in the opposite direction
d. all of the above
Q. For an area developed in haphazard way, the type of layout used for the distribution of pipes is known as
a. dead end system
b. ring system
c. radial system
d. grid iron system
Q. The apparatus used for feeding chlorine into water is called
a. chlorine tank
b. aeration fountain
c. chlorinator
d. none of these
Q. For the sewers of diameter less than 600 mm, the type of joint preferred is
a. spigot and socket joint
b. collar joint
c. bandage joint
d. mechanical joint
Q. The layers such as lime stone and snd store which do not allow the water to pass through them are known as
a. aquifers
b. aquiclude
c. aquifuge
d. none of these
Q. When lead is present in water, it
a. changes its colour
b. causes turbidity
c. causes alkalinity
d. none of these
Q. For the sewers of diameter more than 600 mm, the type of joint preferred is
a. spigot and socket joint
b. collar joint
c. bandage joint
d. mechanical joint
Q. A sluice valve, in water distribution system, is used to
a. protect the pipe against negative pressure
b. regulate the flow of water through the pipe
c. prevent water to flow back in the opposite direction
d. all of tha above
Q. The formula, F = R - K (1.8 T + 32), for obtaining the annual run-off is known as
a. Justin's formula
b. Vermule's formula
c. Inglis formula
d. Khosla's formula
Q. The product of H+ ions and OH- ions in a water solution is equal to
a. 0
b. 10?1
c. 10?7
d. 10?14