1. One of the advantages of a solid fuel is ______
Correct Answer is : ease of transport
2. One of the disadvantages of a solid fuel is:
Correct Answer is : clinker formation
3. _______ are used as rocket propellants in olden days.
Correct Answer is : solid fuels
4. Most available form of solid fuel is:
5. For the generation of electricity, which source is used largely throughout the world?
6. The formation of coal is explained by ________
Correct Answer is : in-situ theory
7. Which of the following process is correct in the process of conversion of wood into coal?
Correct Answer is : wood →peat →lignite →bituminous coal
8. What are the main applications of lignite?
Correct Answer is : used for steam generation in thermal power plant
9. Lignite is also called as __________
Correct Answer is : brown coal
10. Which of the following fuels has the highest calorific value?
Correct Answer is : anthracite