Discussion
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- Question
__________ is the most suitable for compounding rubber and plastic solids.
Options- A. Banbery mixer
- B. Pan mixer
- C. Pug mill
- D. Charge can mixer
- Correct Answer
- Banbery mixer
- 1. __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.
Options- A. Tumbler
- B. Banbery
- C. Muller
- D. Rubbon blender Discuss
- 2. Ball mill is used for
Options- A. crushing
- B. coarse grinding
- C. fine grinding
- D. attrition Discuss
- 3. Cement clinker is reduced to fine size by a
Options- A. roll crusher
- B. ball mill
- C. tube mill
- D. hammer mill Discuss
- 4. The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an
Options- A. bag filter
- B. electrostatic precipitator
- C. cyclone separator
- D. wet scrubber Discuss
- 5. The crushed material received for separation is called feed or
Options- A. tailing
- B. heading
- C. concentrate
- D. middling Discuss
- 6. Maximum size reduction in a ball mill is done by the, __________ action.
Options- A. attrition
- B. compression
- C. impact
- D. cutting Discuss
- 7. Which of the following mechanical conveyors does not come under the division 'carriers'?
Options- A. Belt conveyor
- B. Bucket elevator
- C. Screw conveyor
- D. Apron conveyor. Discuss
- 8. Trommels separate a mixture of particles depending on their
Options- A. size
- B. density
- C. wettability
- D. electrical & magnetic properties Discuss
- 9. increasing the capacity of a screen __________ the screen effectiveness.
Options- A. decreases.
- B. increases
- C. does not effect
- D. none of these Discuss
- 10. Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a
Options- A. disc bowl centrifuge.
- B. sharpies supercentrifuge.
- C. batch basket centrifuge.
- D. sparkler filter. Discuss
Mechanical Operations problems
Search Results
Correct Answer: Banbery
Correct Answer: fine grinding
Correct Answer: tube mill
Correct Answer: electrostatic precipitator
Correct Answer: heading
Correct Answer: impact
Correct Answer: Screw conveyor
Correct Answer: size
Correct Answer: decreases.
Correct Answer: disc bowl centrifuge.
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