Complete CH_{4 +} 2O₂ Combustion Produces _____ and _______

Q15: When a burner flame goes out during

Q16: The stack damper in a furnace is

Q17: The refractory lining on a furnace is

Q18: An air preheater is a:<br>A) Cost saving

Q19: Four draft types utilized on furnace designs

Q21: When a furnace tube or section of

Q22: The air registers are located on the:<br>A)

Q23: Air can enter the furnace through:

Q24: Furnaces are classified as:<br>A) balanced draft<br>B) indirect

Q25: The section of the furnace that reaches