Caking coals are those which__________?
Correct answer: D. form lumps or masses of coke
- A. burn completely
- B. burn freely
- C. do not form ash
- D. form lumps or masses of coke
Explanation
Caking coal softens and fuses when heated, producing coherent lumps or masses of coke. Its tendency to form these lumps distinguishes it from non-caking coal.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Power Systems
334 free Power Systems MCQs from Electrical 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 Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Power Systems questions
Primary air is that air which is used to_____________?
Secondary air is the air used to______________?
In coal preparation plant, magnetic separators are used to remove___________?
The capacity of large turbo-generators varies from___________?
Economisers improve boiler efficiency by__________?
Steam pressure in a steam power station, which is usually kept now-a-days is of the order of____________?