Incomplete Combustion P3L3,U11,AC2.4.

What is a visual sign of incomplete combustion?

• Green flame at the burner

• Red flame at the burner

• Yellow flame at the burner

• Blue flame at the burner

What physical sign indicates incomplete combustion?

• Appliance producing clean air

• Appliance producing soot deposits

• Appliance producing pleasant smell

• Appliance producing water vapor

What can be found around the appliance as a visual sign of incomplete combustion?

• Paint

• Dust

• Rust

• Staining

What is a common physical sign of incomplete combustion in the room where the appliance is fitted?

• Precipitation

• Evaporation

• Condensation

• Sublimation

What color flame at the burner indicates complete combustion?

• Green

• Red

• Blue

• Yellow