Which of the following has the highest flame velocity ?
Correct answer: A. H2
- A. H2
- B. CO
- C. CH4
- D. C2H6
Explanation
Hydrogen has the highest flame velocity among the listed fuels because its small molecules diffuse rapidly and its H2-air reaction proceeds very quickly. CO, methane and ethane generally burn with lower flame speeds.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
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.
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
In Lurgi coal gasifier___________________?
Cannel coal__________________?
Which of the following fuel gases is heavier than air ?
Which of the following has the highest theoretical flame temperature ?
Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?
C/H ratio is the minimum in case of_________________?