Washing of coal is done to reduce the_________________?
Correct answer: B. Both B. and C.
- A. Inherent impurities
- B. Both B. and C.
- C. Mineral matter
- D. Adhering impurities
Explanation
Coal washing removes physically adhering dirt and separable mineral matter such as shale and pyrites. Inherent impurities chemically bound within the coal structure are not normally removed by ordinary washing.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
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.
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 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
Too much of excess air in combustion results in high___________________?
Coking time in narrow by-product coke ovens is around ______________ hours?
Which of the following is a primary fuel ?
Efficient burning of anthracite coal requires______________________?
Water gas constitutes mainly of __________________?
Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the_______________?