Chemical Engineering - Fuels and Combustion

6.
Which of the following is not used as a binder in coal briquetting ?
Tar
Molasses
Pitch
Line
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Size of blast furnace grade coke is __________ mm.
25-80
0-15
15-25
>100
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.
sulphur
oxygen
hydrogen
carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The internal energy of the combustion products is __________ compared to that of reactants.
more
less
equal
more or less ; (depends on the state of fuel.)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Which of the following is not a product of tar distillation ?
Phenol & naphthalene
Benzol & pitch
Anthracene & creosote
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.