What is the primary purpose of using a two-stage refrigeration system in this project?

Advanced Refrigeration System Quiz

Interactive Video
•
Professional Development
•
12th Grade
•
Hard
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To increase the efficiency of heat absorption from the environment
To achieve lower temperatures than a single-stage system can provide
To use less refrigerant overall
To simplify the construction and maintenance of the system
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what pressure does ethylene condense in the described system?
Below 10 bar
At atmospheric pressure
Above 20 bar
Around 15 bar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the oil separator in the refrigeration system?
To coalesce oil droplets and prevent system clogging
To increase the flow rate of the refrigerant
To prevent the compressor from overheating
To remove impurities from the ethylene
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is brazing preferred over soldering in constructing refrigeration systems?
It is less expensive
It requires less skill
It provides stronger joints capable of handling higher pressures
It is faster to apply
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the intercooler in the refrigeration system?
To cool the refrigerant before it enters the evaporator
To heat the refrigerant before it enters the compressor
To transfer heat from the second stage to the first stage refrigerant
To store excess refrigerant temporarily
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did the creator test for leaks in the refrigeration system?
By using a special chemical detector
By submerging joints in water and observing for bubbles
By measuring the temperature drop across the system
By listening for hissing sounds at the joints
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main issue encountered with the ethylene used in the refrigeration system?
It evaporated too quickly, reducing efficiency
It was contaminated, leading to higher than expected pressures
It was too pure, causing over-condensation
It froze in the pipes, blocking the system
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