fuels ppt2 1-2

What are the three components necessary for combustion to take place?

• Fuel, Water, Light

• Fuel, Oxygen, Ignition

• Wood, Propane, Biomass

• Spark, Flame, Smoke

Which of the following can be used as fuel in the combustion process?

• Water

• Oxygen

• Wood

• Carbon Dioxide

What is the role of oxygen in the combustion process?

• It acts as a fuel

• It is found in the atmosphere and supports combustion

• It provides ignition

• It extinguishes the fire

What is needed as an ignition source in the combustion process?

• Water

• Spark or Flame

• Biomass

• Propane

What occurs when there is not enough oxygen for complete combustion?

• Incomplete combustion

• Complete combustion

• Partial combustion

• No combustion

What is produced during incomplete combustion of hydrocarbons?

• Water and carbon monoxide

• Water and carbon dioxide

• Carbon dioxide and oxygen

• Water and oxygen

What is a characteristic of a flame indicating complete combustion?

• A stable blue flame with a bright blue inner core and a dark blue outer core

• An overly large flame that is loose and floppy

• A predominantly yellow flame

• A small red flame with a flickering tip

What color is predominantly seen in a flame indicating incomplete combustion?

• Blue

• Yellow

• Red

• Green

What can be a consequence of incomplete combustion in appliances?

• Increased efficiency

• Reduced noise

• Overheating and carbon monoxide release

• Improved air quality

What is a potential danger associated with incomplete combustion?

• Oxygen production

• Carbon monoxide release

• Water vapor emission

• Nitrogen gas release