Evaporator Temperature and Pressure Response in Refrigeration System
What happens to the evaporator temperature and pressure when warm product is added to a refrigeration box?
1. The evaporator temperature and pressure increase
2. The evaporator temperature and pressure decrease
3. The evaporator temperature remains the same, but the pressure increases
4. The evaporator temperature remains the same, but the pressure decreases
Answer:
The evaporator temperature and pressure increase when warm product is added to a refrigeration box.
When warm product is added to a refrigeration box, the evaporator temperature and pressure will respond by increasing. This is because the electrically driven compressor raises the temperature and pressure of the gas in the system. As a result, the gas condenses into a liquid, which then flows back to the outdoor evaporator coils and resumes the cooling cycle.
As the warm product adds heat energy to the system, the gas inside the refrigeration box becomes warmer than the surrounding room temperature. This causes the gas to release heat energy to the room, which results in the gas condensing into a liquid form.
In summary, the evaporator temperature and pressure in a refrigeration system increase when warm product is added, as the gas condenses into a liquid due to the transfer of heat energy.