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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 6
31.
Which of the following has the highest flame velocity ?
H2
CO
CH4
C2H6
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Which of the following constituents of a fuel does not contribute to its calorific value on combustion ?
Hydrogen
Sulphur
Carbon
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces
higher amount of methane.
lower amount of hydrogen.
both (a) and (b).
higher amount of both methane and hydrogen.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
For long flame and easy ignition, the coal used should have
high volatile matter
low ash
high calorific value
high ash
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following has the highest calorific value (kcal/Nm3) ?
Carburetted water gas
Gobar gas
Natural gas
LPG
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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