Refrigeration and Air Conditioning Quiz
Authored by Jay Brooke
Physics
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the properties of air that affect air distribution system design or installation?
Weight of air, manner in which air absorbs light, air separation into layers, air obeys gas laws
Color of air, taste of air, air separation into layers, air obeys gas laws
Weight of air, manner in which air absorbs heat, air separation into layers, air obeys gas laws
Weight of air, manner in which air absorbs heat, air separation into layers, air obeys liquid laws
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an air curtain?
To block infiltration of outside air through an opening
To maintain inside air conditions by allowing outside air to enter
To increase the flow of conditioned air out
To stop the flow of unconditioned air in
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to determine the required air exchange rate?
Number of occupants × 20 cfm
Number of occupants × 10 cfm
Number of occupants × 15 cfm
Number of occupants × 25 cfm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a fire damper?
To close automatically on detection of heat
To increase the flow of air into a room
To stop the flow of conditioned air out
To maintain inside air conditions by allowing outside air to enter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a whole house fan?
To maintain inside air conditions by allowing outside air to enter
To stop the flow of unconditioned air in
To increase the flow of conditioned air out
To provide a building with free cooling by blowing out hot air and drawing in cool air
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of dampers in forced-air systems?
To increase the flow of conditioned air out
To control airflow, allow or stop airflow, and balance airflow
To stop the flow of unconditioned air in
To maintain inside air conditions by allowing outside air to enter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an evaporative cooling system?
To increase the flow of conditioned air out
To store heat or energy within moisture in air
To maintain inside air conditions by allowing outside air to enter
To stop the flow of unconditioned air in
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