What type of compressors are used in the cascade refrigeration system described in the video?

Cascade Refrigeration System Concepts

Interactive Video
•
Physics, Chemistry, Science
•
10th - 12th Grade
•
Hard

Amelia Wright
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rotary compressors
Ice maker compressors
Scroll compressors
Centrifugal compressors
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the plate heat exchanger in the cascade system?
To increase the system's pressure
To thermally anchor the first stage evaporator to the second stage condenser
To reduce the system's noise
To filter impurities from the refrigerant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material is used for the plumbing in the cascade system?
Copper
Stainless steel
Plastic
Aluminum
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the oil separator in the cascade system?
To heat the refrigerant
To cool the refrigerant
To separate oil from the refrigerant
To increase refrigerant flow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What refrigerants are used in the first and second stages of the cascade system?
Propane and ethylene
Butane and methane
Ammonia and carbon dioxide
R134a and R410a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the lowest temperature achieved by the cascade system during testing?
-73°C
-83°C
-88°C
-104°C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the result of using a big plate heat exchanger for subcooling?
Worse performance
No change in performance
System failure
Improved performance
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