Surface Water Treatment Review
Authored by Erin Hansel
Science
University
NGSS covered
Used 1+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are causes of excess vibration of a pump... except.
Pump wear
Bent shaft
Worn bearings
Foundation not secure
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is not a physical hazard that may be present at a surface water facility?
Moving or rotating parts
Confined spaces
Customer complaints
Condensation on the floor
Stairs
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Methods used to detect chlorine gas leak.
Ammonium Hydroxide in a squeeze bottle
Pressured air
Rag soaked in ammonia
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does NTU stand for?
Nephelometric turbidity unit
Nautical Turbidity Unit
Nephelometric Temperature Unit
Not Taking Us
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are parameters to determine the effectiveness of softening process?
Color and Turbidity
Chlorine residual, no unsafe bacti samples
Hardness and pH of water
pH, total alkalinity, magnesium hardness, temperature
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a colorimetric test?
Chemicals are added to a solution to form distinct color. The colors are then compared
Color of a sample is tested based on base color. No chemicals are added. The color is compared to a color wheel
You add chemicals to a solution, then add Iodide to it to create the base color. The color is then compared to a pure form of the mixed chemicals
A coloring book of meters
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sampling bottle's used for bacteriological sampling for chlorinated water must be...
Brown glass bottle
Sterilized
Contain sodium thiosulfate
Recycled composite bottle.
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