RAC 40 Quiz 3 Review | Latest Update |
2024/2025 | 100% Pass
What is the primary function of a refrigeration system?
To remove heat from a designated area to lower the temperature of that area.
What principle does a refrigeration cycle operate on?
The principle of heat transfer, specific...
RAC 40 Quiz 3 Review | Latest Update |
2024/2025 | 100% Pass
What is the primary function of a refrigeration system?
✔✔To remove heat from a designated area to lower the temperature of that area.
What principle does a refrigeration cycle operate on?
✔✔The principle of heat transfer, specifically using a refrigerant to absorb and release heat.
What is the role of the compressor in a refrigeration system?
✔✔To compress the refrigerant gas, increasing its pressure and temperature before it enters the
condenser.
What does the evaporator coil do in a refrigeration system?
✔✔It absorbs heat from the environment, causing the refrigerant to evaporate and cool the
surrounding area.
What is a common refrigerant used in refrigeration devices?
✔✔R-134a is a commonly used refrigerant in many refrigeration applications.
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, What is the purpose of a condenser in a refrigeration system?
✔✔To release heat absorbed by the refrigerant and condense the gas back into a liquid.
What is a thermostat’s function in a refrigeration system?
✔✔To regulate the temperature by controlling the compressor operation based on the desired set
point.
What is the significance of the refrigerant charge level in a system?
✔✔An appropriate refrigerant charge ensures efficient operation and prevents system damage.
What does "superheat" refer to in refrigeration terminology?
✔✔Superheat is the temperature of the refrigerant vapor above its boiling point at a given
pressure.
What is the function of an expansion valve in a refrigeration system?
✔✔To regulate the flow of refrigerant into the evaporator and reduce its pressure, allowing it to
expand and cool.
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