
Pretreatment
Authored by Rickie Timmons
Science
11th - 12th Grade
Used 4+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Identify the statements that are true about using a pretreatment process on a water source that has large quantities of debris, gravel or sand,
If not removed this material clog pipes.
If not removed this material can damage pumps.
Pretreatment can reduce the amount of chemicals used in the treatment process.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a principal problem associated with preliminary treatment screening?
Clogging
Broken screens
Excessive downtime due to numerous shear pins being broken
Chain comes out of the foot sprocket
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bar screen assemblies are installed in a waterway at a(n) __________ angle.
60 - 80 degrees
40 - 60 degrees
80 - 90 degrees
90 - 120 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a term used to rank the distance between bars in a bar screen?
Wide
Fine
Medium
Coarse
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Shear pins are usually installed where the drive motor is attached to the screen drive gear to prevent overload of the motor.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
________ is a pretreatment process used to remove gravel, sand and silt from the raw water before it enters the main treatment facility.
Presedimentation
Screening
Preoxidation
Microstraining
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the opening size for medium ranked fixed screens or bar screens?
Greater than 1/2 inch to less than 1-1/4 inch
Greater than or equal to 1/16 in. to less than or equal to ½ in.
Greater than or equal to 1 ¼ in. to less than or equal to 4 in.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
12 questions
The solar system
Quiz
•
4th Grade - University
13 questions
Practice: Enzyme affinity and immobilizing enzymes
Quiz
•
10th - 11th Grade
15 questions
Hydroponics
Quiz
•
9th - 12th Grade
10 questions
Carbon- based molecules
Quiz
•
10th - 12th Grade
14 questions
Unit 2 AOS 1 - Groups, Obedience & Conformity (5)
Quiz
•
11th Grade
19 questions
Light as a Wave & Particle Quiz
Quiz
•
11th Grade
20 questions
CC TRỤC KHỦY-CC PHÂN PHỐI KHÍ
Quiz
•
11th Grade
17 questions
Unit 1B Ch 1: Bones and Muscles
Quiz
•
10th - 12th Grade
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade
Discover more resources for Science
14 questions
Natural Selection and Adaptation
Lesson
•
9th - 12th Grade
38 questions
Water Cycle and Groundwater
Quiz
•
9th - 12th Grade
12 questions
Cell Organelles and Their Functions
Lesson
•
9th - 12th Grade
12 questions
Homeostasis: Positive and Negative Feedback Loops
Interactive video
•
11th Grade
13 questions
Amoeba Sisters: Biomolecules
Interactive video
•
9th - 12th Grade
25 questions
APES Unit 6 Review
Quiz
•
12th Grade
60 questions
2025 Genetics Test Study Guide
Quiz
•
9th - 12th Grade
10 questions
Understand Cell Functions and Organelles
Quiz
•
9th - 12th Grade