| The control of exhaust temperature on a solid waste/sludge incinerator is critical. How this temperature is normally controlled? |
| A) The exhaust temperature is controlled by regulating by the admission of combustion air into the combustion chamber. |
| B) The exhaust temperature is controlled by regulating the admission of auxiliary fuel to the burner. |
| C) The exhaust temperature is controlled by regulating the exhaust gas flow. |
| D) The exhaust temperature is controlled by regulating the admission of relatively cool ambient air into the exhaust stream. |
