The maximum CO2 is emitted into the atmosphere by_________________?
Correct answer: B. Combustion
- A. Urea
- B. Combustion
- C. Biomass burning
- D. Trees
Explanation
Combustion converts carbon in fuels into carbon dioxide and is the largest broad source among the listed choices. Urea and trees are not normally the maximum direct emitters, although biomass burning is itself a type of combustion.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Which of the following processes is involved in the biochemical treatment of sewage effluents ?
TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?
The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?
Color test of water is done with an instrument called__________________?
Water filtration rate in a slow sand filter ranges from ____________ litres/m2/hr?
A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called___________________?