
Understanding Modern Refrigerators

Interactive Video
•
Science, Physics
•
7th - 12th Grade
•
Hard

Aiden Montgomery
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the throttling device in a refrigerator?
To convert refrigerant from liquid to vapor
To decrease the temperature of the refrigerant
To circulate air inside the refrigerator
To increase the pressure of the refrigerant
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the vapor compression cycle, what is the role of the compressor?
To evaporate the refrigerant
To cool the refrigerant
To remove moisture from the refrigerant
To increase the refrigerant's pressure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What problem does frost formation in a refrigerator cause?
Increases energy efficiency
Enhances airflow circulation
Prevents heat transfer
Improves cooling performance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do modern refrigerators address the issue of frost formation?
By reducing the refrigerant pressure
By using a heating rod to remove frost
By increasing the compressor speed
By using a larger evaporator coil
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of using a straight capillary tube in modern refrigerators?
It simplifies the compressor design
It enhances the refrigeration effect
It increases the refrigerant's temperature
It reduces the size of the refrigerator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it beneficial for the evaporator exit coil to absorb heat?
To ensure the refrigerant is in pure vapor form
To increase the refrigerant's pressure
To decrease the refrigerant's temperature
To improve airflow circulation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main benefit of digital inverter compressors in modern refrigerators?
They simplify the refrigeration cycle
They increase the refrigerant's pressure
They allow for variable compressor speed
They reduce the size of the refrigerator
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