Question

Which of the following statements about a system that circulates warm brine or water back to a chiller tank is

true?
A) The system is a direct refrigeration system.
B) The evaporator in the system is located in direct contact with the material being refrigerated.
C) The brine or water is the refrigerant.
D) The evaporator cools the brine or water.
E) All of the above.

Answer 1

The correct statement is that the evaporator in the system cools the brine or water, which then circulates to remove heat from the refrigerated space.

Step-by-step explanation:

In a system that circulates warm brine or water back to a chiller tank, the correct statement is: The evaporator cools the brine or water.

When discussing refrigeration systems, they function by circulating a refrigerant through a cycle of compression and expansion. In the context of the question, brine or water acts as a cooling medium, not as the actual refrigerant. The refrigerant absconds heat from the brine or water in the evaporator, causing the refrigerant to vaporize and cool the brine or water. The cooled brine or water is then circulated to remove heat from the space or material being refrigerated before it returns to the chiller tank to be re-cooled.