A coal that softens and fuses on heating is_________________?
Correct answer: C. Caking
- A. Classified
- B. Carbonised
- C. Caking
- D. Non-caking
Explanation
A caking coal softens and becomes plastic on heating, then fuses into a coherent coke mass. Non-caking coal does not develop this fused plastic phase.
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
Which of the following coal gasification processes will produce gas having maximum methane content ?
Gobar gas constitutes mainly of___________________?
High temperature carbonisation of coal produces__________________?
Main use of soft coke is as _______________ fuel?
Gas yield in the Kopper-Totzek coal gasifier is about ______________ Nm3/ton coal (ash = 35%)?
Height of coke oven is limited (say maximum upto 7 metres) mainly by the_____________________?