Power Engineering 3B1 Chapter 11 Exam Questions And Answers 100% Pass
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Course
Power Engineering
Institution
Power Engineering
Power Engineering 3B1 Chapter 11 Exam
Questions And Answers 100% Pass
Subsidence is accomplished by passing water through a basin or tank of such design that the
velocity of the water is reduced to a point, to permit ___________.
a. subsidence
b. coagulation
c. flocculation
d. filtering - an...
Power Engineering 3B1 Chapter 11 Exam
Questions And Answers 100% Pass
Subsidence is accomplished by passing water through a basin or tank of such design that the
velocity of the water is reduced to a point, to permit ___________.
a. subsidence
b. coagulation
c. flocculation
d. filtering - answer✔b
__________ are chemicals, which cause the fine particles to gather together into a larger mass,
which will settle out much more readily.
a. Caustic
b. Coagulants
c. Acids
d. Zeolite - answer✔b
___________ is the further increase in size and volume of the precipitating particles and is done
by gentle agitation of the water.
a. Subsidence
b. Coagulation
c. Flocculation
d. Filtering - answer✔c
The coagulant, when added to the water, will produce a spongy substance known as _____.
a. mud
d. waste - answer✔b
A water _______ allows the coagulation and settling of suspended solids contained in water, to
take place.
a. softener
b. exchanger
c. clarifier
d. filter - answer✔c
The clarified water is drawn off through a submerged collector pipe at the ______ of the upflow
zone.
a. bottom
b. top
c. side
d. middle - answer✔b
External water treatment using continuous methods of subsidence allows:
1. Clarified water to be drawn continuously from the tank
2. Continuous removal of solids from the tank
3. Complete removal of turbidity
4. Removal of colloidal particles without coagulation
a. 1,2,3
b. 1,3,4
c. 1,2,4
d. 2,3,4
e. 1,2,3,4 - answer✔c
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