Water pollution 1
Quiz
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Other
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University
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Practice Problem
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Hard
Ana Esteban
Used 2+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following parameters does not measure organic matter in water?
BOD
COD
TFS
TOD
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does BOD mean?
Biochemical Oxygen Dissolved
Biological Organic Demand
Biodegradable Organic Demand
Biochemical Oxygen Demand
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the FALSE answer.
In the Standard BOD test,
Temperature must be fixed at 37 ºC (human's body average)
It must be performed in the dark
If BOD is expected to be 200 mg/L, samples must be diluted
The consumption of oxygen in a bottle filled with water after a certain time is measured
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the FALSE sentence about turbidity in water:
It is an indirect way of measuring the suspended solids
It can be measured with a Secchi disc
It can be measured with a nephelometer
It can be caused by dissolved and colloidal particles
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the FALSE sentence about SOLIDS in water:
Total Dissolved Solids are measured through the evaporation of a water sample
Volatile solids give an idea of the solids that are organic.
Suspended solids must be removed from drinking water because, among other reasons, they are a shelter for microorganisms
The Imhoff cone is used to measure settleable solids
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select which of the following contaminants can not be considered as Emerging Contaminants:
Estrogens
Antibiotics
Coliforms
Personal Care Products
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