| Which of the following is true concerning the class "D" air conditioning system shown in the following illustration? Refer to Illustration GS-RA-42 |
| A) The heat load will increase by increasing the amount of recirculated air. |
| B) The room thermostat controls the wet bulb temperature of the air conditioned space. |
| C) System cooling is the direct result of the Freon circuit of a direct type air conditioning unit. |
| D) The duct thermostat determines the amount of water flow circulating through the cooling coil. |
