| 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 |
| A) The preheater steam flow is controlled by the space thermostat. |
| B) It is not possible for both the cooling coil and the steam heated reheater to be used simultaneously. |
| C) The dry bulb room temperature is controlled by a steam heated reheater and its associated pneumatic control valve. |
| D) The reheater is not used when in the cooling mode. |
