Quiz on Combustion and CO Detectors

What might trigger a carbon monoxide alarm?

• High humidity levels

• Presence of carbon monoxide

• Low battery power

• Excessive noise

What are critical levels of CO2 known to affect?

• Air conditioning systems

• Combustion process

• Water heating systems

• Electrical wiring

What is the main component of natural gas?

• Ethane (C2H6)

• Methane (CH4)

• Propane (C3H8)

• Butane (C4H10)

What percentage of natural gas is composed of methane?

• 5.3%

• 2.7%

• 90.0%

• 0.6%

What is the percentage of ethane in natural gas?

• 5.3%

• 2.7%

• 1.0%

• 0.4%

Which gas is present at 2.7% in natural gas?

• Methane (CH4)

• Nitrogen (N2)

• Propane (C3H8)

• Butane (C4H10)

What is the percentage of propane in natural gas?

• 0.6%

• 1.0%

• 2.7%

• 5.3%

Which component of natural gas is present at 0.6%?

• Carbon Dioxide (CO2)

• Butane (C4H10)

• Ethane (C2H6)

• Nitrogen (N2)

What is the chemical formula for butane?

• C2H6

• CH4

• C3H8

• C4H10

What does the Wobbe number indicate when using a particular gas?

• The color of the flame

• The heat output from a burner

• The type of gas used

• The efficiency of the burner