Which of the following is not an ultrafine grinder (colloid mill) ?
Correct answer: C. Toothed roll crusher
- A. Micronizers
- B. Agitated mills and fluid energy mills
- C. Toothed roll crusher
- D. Hammer mills with internal classification
Explanation
Ultrafine grinders include micronizers, fluid-energy or agitated mills, and classified hammer mills. A toothed roll crusher is used for comparatively coarse crushing, so it is not a colloid mill.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Fluid Flow Operations
909 free Fluid Flow Operations 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 Fluid Flow Operations questions
Compressibility co-efficient for an absolutely compressible cake is_______________?
If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is φs is defined by________________?
Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher ?
The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the _____________ of the belt?
Size reduction does not occur due to compression in case of________________?
A pebble mill_________________?