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Questions and Answers
Which of the following is true about natural gas combustion characteristics?
Which of the following is true about natural gas combustion characteristics?
- Natural gas requires high amounts of excess air for complete combustion.
- Natural gas has a high ash content.
- Natural gas is not suitable for steam generation purposes.
- Natural gas combusts readily with air, resulting in complete combustion. (correct)
Which of the following gases is typically removed during the treatment of natural gas?
Which of the following gases is typically removed during the treatment of natural gas?
- Hydrogen sulfide
- Methane
- Carbon dioxide
- Nitrogen (correct)
What is the typical range of heating value for natural gas expressed in terms of mass?
What is the typical range of heating value for natural gas expressed in terms of mass?
- 46,420 to 55,700 kJ/kg
- 55,700 to 46,420 J/kg
- 55,700 to 46,420 kJ/kg
- 46,420 to 55,700 J/kg (correct)
According to the given information, what is the stoichiometric volume of oxygen required for complete combustion of 1 m3 of methane?
According to the given information, what is the stoichiometric volume of oxygen required for complete combustion of 1 m3 of methane?
What is the volume of air flow supplied in the given example of a boiler burning 50 m3/h of methane gas at 10% excess air?
What is the volume of air flow supplied in the given example of a boiler burning 50 m3/h of methane gas at 10% excess air?
How much volume of nitrogen is present in the 50 m3/h of air flow supplied in the given example of a boiler burning methane gas at 10% excess air?
How much volume of nitrogen is present in the 50 m3/h of air flow supplied in the given example of a boiler burning methane gas at 10% excess air?
According to the text, which of the following is an advantage of natural gas as a fuel?
According to the text, which of the following is an advantage of natural gas as a fuel?
According to the text, which of the following is a disadvantage of natural gas as a fuel?
According to the text, which of the following is a disadvantage of natural gas as a fuel?
According to the text, what is the mass of air containing 4 kg of oxygen?
According to the text, what is the mass of air containing 4 kg of oxygen?
According to the text, what is the air-fuel ratio if the excess air is 15% for a boiler fired on natural gas?
According to the text, what is the air-fuel ratio if the excess air is 15% for a boiler fired on natural gas?
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