water
Authored by Dr. T
Specialty
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example
of ground water?
Impounding reservoirs
Rivers
Tanks
Shallow wells
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the protozoal water pollutant
Typhoid
Cholera
Amoebiasis
Hepatitis E
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The thickness of the sand bed in slow
sand filter is:
0.25 m
0.5 m
0.75 m
1 m
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heart of slow sand filter
Supernatant water
Vital layer
Umderdrainage system
Filter control valves
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The washing process of the rapid sand
filters is referred to as:
Back washing
Front washing
Top washing
Scrapping
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