Duct Sizing
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Lisa Thompson
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary purpose of duct sizing in HVAC systems?
To ensure proper air flow and distribution
To reduce the cost of materials
To increase the noise levels
To decrease the efficiency of the system
Tags
NGSS.MS-PS3-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following factors is most important when determining duct size?
Color of the duct
Material of the duct
Air flow rate
Length of the duct
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the unit of measurement commonly used for duct size?
Meters
Square meters
Cubic meters per second
Inches
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In duct sizing, what does the term 'friction loss' refer to?
Loss of air due to leaks
Loss of air speed due to bends
Loss of pressure due to resistance
Loss of temperature due to insulation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation is used to calculate the air flow rate in duct sizing?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the effect of undersized ducts in an HVAC system?
Increased energy efficiency
Reduced air flow and increased noise
Improved air quality
Decreased system lifespan
Tags
NGSS.MS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which material is commonly used for ductwork due to its lightweight and corrosion resistance?
Steel
Aluminum
Copper
Plastic
Tags
NGSS.MS-PS3-3
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