| Which statement is true concerning operational factors affecting the degree of superheat in a single furnace boiler? |
| A) As the rate of combustion increases, the degree of superheat increases throughout the entire firing range. |
| B) With a constant firing rate and steam consumption equal to generation, a decrease in the incoming feed water temperature results in a superheat temperature decrease. |
| C) With large amounts of excess air, superheater outlet temperature will decrease due to the lack of sufficient time for heat transfer to take place. |
| D) Carrying boiler water total dissolved solids higher than normal could result in a decrease in the degree of superheat. |
