Top 150+ Solved Water Supply Engineering MCQ Questions Answer
Q. The pulsator clarifier is a type of
a. horizontal flow sludge tank
b. vertical flow sludge tank
c. circular sludge tank
d. plain sedimentation tank
Q. Which device solved the problem of unstable hydraulic conditions and operation of sludge removal equipment?
a. centrifugal pump
b. pulsator clarifier
c. tube settler
d. flocculator
Q. In which device, the primary mixing is followed by a secondary reaction zone resulting in formation of sludge blanket?
a. centrifugal pump
b. flocculator
c. tube settler
d. solid contact clarifier
Q. In which type of tube settler, tubes are slightly inclined in the direction of normal flow?
a. solid contact clarifier
b. steeply inclined tube settler
c. vertical tube settler
d. horizontal tube settler
Q. Ion exchange units are known as
a. water hardeners
b. water softeners
c. water purifiers
d. exchangers
Q. While designing the demineralisation plant what is considered as the weak acidic cation load?
a. alkaline hardness
b. alkaline hardness+ ema
c. ema
d. silica
Q. While designing the demineralisation plant what is considered as the strong acidic cation load?
a. alkaline hardness
b. alkaline hardness + ema
c. ema
d. silica
Q. While designing the demineralisation plant what is considered as the strong basic anion load?
a. alkaline hardness
b. alkaline hardness + ema+co2
c. ema+silica
d. silica+co2+ alkalinity+ema
Q. While designing the demineralisation plant what is considered as the weak basic anion load?
a. alkaline hardness
b. alkaline hardness + ema
c. ema
d. silica
Q. When is strong basic anion not necessary?
a. silica is nil
b. co2 is nil
c. fluroine is nil
d. sulphate is nil
Q. When the hardness and alkalinity are around 30% what should be used?
a. sac
b. wac
c. wac, sac
d. wac, sac, wba
Q. In case along with silica, there is high content in sulphide and chloride what should be used?
a. wba
b. wba and sba
c. sba
d. sba,wba and wac