Coal is finally pulverised to 200 mesh size for burning in boilers by a___________________?
Correct answer: B. Ball mill
- A. Hammer crusher
- B. Ball mill
- C. Roll crusher
- D. Gyratory crusher
Explanation
A ball mill provides repeated impact and attrition, making it suitable for pulverising coal to a fine size such as 200 mesh. Hammer, roll, and gyratory crushers are normally used for coarser size reduction.
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
Separation of solid particles based on their densities is called_________________?
Grindability of a material does not depend upon its_____________________?
Work index is defined as the_________________?
_____________ are mixed using ribbon blenders ?
Reduction ratio of crushers is the___________________?
Which of the following is not a revolving/tumbling mill used for size reduction ?