Water Wizard Challenge: Hydraulics and Water Treatment
Authored by Lekshmi V
Engineering
University
Used 1+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes turbidity in water?
A) Dissolved gases
B) Suspended solids
C) Heavy metals
D) pH levels
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is water color typically measured?
A) pH meter
B) Turbidimeter
C) Nenlar tubes
D) Spectrophotometer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ideal range of pH for aquatic life?
A) 0–3
B) 6–9
C) 3–6
D) 9–12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chemical contributes to eutrophication in water bodies?
A) Calcium
B) Nitrogen
C) Fluoride
D) Magnesium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the BOD using the formula:
Initial DO = 10 mg/L, Final DO = 6.25 mg/L, Dilution Factor = 300/6.
A) 187.5 mg/L
B) 200 mg/L
C) 250 mg/L
D) 275 mg/L
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a high level of coliform bacteria in water indicate?
A) High oxygen levels
B) Presence of pathogens
C) Excess nutrients
D) Acidic pH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for excessive nutrient-induced algal growth in water?
A) Eutrophication
B) BOD
C) Filtration
D) Bioaccumulation
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