10 Questions
Which of the following is true about natural gas for steam generation purposes?
It is usually processed before use.
Which of the following gases is typically removed from natural gas before combustion?
Hydrogen sulfide
What is the typical range of heating value for natural gas?
46,420 to 55,700 kj/kg
Based on the given information, what is the stoichiometric volume of oxygen required for the complete combustion of 1 m^3 of methane gas?
9.52 m^3
In the given example, if a boiler burns 50 m^3/h of methane gas at 10% excess air, what is the air flow supplied per hour?
523.6 m^3/h
In one hour, how much volume of nitrogen gas is produced when a boiler burns 50 m^3/h of methane gas at 10% excess air?
376 m^3
Which of the following is an advantage of natural gas as a fuel?
It easily mixes with air for complete combustion.
What is the disadvantage of natural gas mentioned in the text?
It is less efficient in combustion due to its hydrogen content.
What is the mass of nitrogen in the combustion air if the mass of air containing 4 kg of oxygen is 17.24 kg?
13.24 kg
If a boiler uses 500 kg/h of methane and has an airflow of 10,320 kg/h, what is the percent of excess air?
19.7%
Test your knowledge on the properties and combustion characteristics of natural gas in this quiz. Learn about its advantages for steam generation and its combustion equations.
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