WorksheetsQuiz on Combustion and CO Detectors
Total questions: 15
Worksheet time: 8mins
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
Which factor primarily influences the efficiency of heat transfer in a burner?
The flame temperature
The gas pressure
The injector size
The burner material
Which of the following is directly proportional to the Wobbe number?
The color of the flame
The heat output from the burner
The size of the burner
The type of gas used
What is the flame speed of natural gas?
0.5 m/sec
0.36 m/sec
0.7 m/sec
1.0 m/sec
What is the chemical formula for carbon dioxide?
CO
CO2
C2O
O2C
What is the total volume of gases involved in the combustion of 1m³ of methane?
8m³
9m³
10m³
11m³
