Question 142Refrigeration/AC - 1st Asst/Chief70% to pass
Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?
AI Explanation
The correct answer is B) Cooling the air to a point below dew point, and then reheating it.
This is the most effective method to lower the humidity of air being circulated by an air conditioning system. By cooling the air below its dew point, moisture will condense out of the air, effectively removing humidity. The air is then reheated to the desired temperature, resulting in drier air with lower humidity levels.
The other options are less effective or incorrect. Option A would result in the air still retaining some moisture. Option C would not remove enough moisture. Option D would require more energy and is not the most efficient way to lower humidity.
Related Questions
#140 If outside air at 80 degrees F and 70 percent relative humidity is conditioned, what will be the resulting dew point temperature of the air just before it comes into contact with the cooling coil? Illustration GS-RA-22 #141 For the proper control of the air temperature in an air conditioning system using chilled water circulation, which of the listed conditions should remain constant regardless of load changes? #143 Which of the following is true concerning the class "A" air conditioning system shown in the illustration as used to condition the air of large public spaces? Illustration GS-RA-09 #144 Which of the following is true concerning the class "D" air conditioning system shown in the following illustration? Illustration GS-RA-42 #145 A room humidistat initiates the lowering of the humidity of the conditioned supply air to a space, while the actual process is accomplished by what means?