Discussion
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- Question
Cement clinker is reduced to fine size by a
Options- A. roll crusher
- B. ball mill
- C. tube mill
- D. hammer mill
- Correct Answer
- tube mill
- 1. 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
- 2. The crushed material received for separation is called feed or
Options- A. tailing
- B. heading
- C. concentrate
- D. middling Discuss
- 3. Use of baffles in agitators help in minimising the __________ tendency.
Options- A. swirling
- B. vortexing
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
- 4. Energy consumed for crushing one ton of material ranges from __________ kWh.
Options- A. 0.01 to 0.1
- B. 0.5 to 1.5
- C. 2 to 3.5
- D. 4 to 5. Discuss
- 5. Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation.
Options- A. Kozney-Karman
- B. Hagen-Poiseulle's
- C. Fanning's
- D. Kremser Discuss
- 6. Ball mill is used for
Options- A. crushing
- B. coarse grinding
- C. fine grinding
- D. attrition Discuss
- 7. __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.
Options- A. Tumbler
- B. Banbery
- C. Muller
- D. Rubbon blender Discuss
- 8. __________ is the most suitable for compounding rubber and plastic solids.
Options- A. Banbery mixer
- B. Pan mixer
- C. Pug mill
- D. Charge can mixer Discuss
- 9. Maximum size reduction in a ball mill is done by the, __________ action.
Options- A. attrition
- B. compression
- C. impact
- D. cutting Discuss
- 10. 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
Mechanical Operations problems
Search Results
Correct Answer: electrostatic precipitator
Correct Answer: heading
Correct Answer: both (a) & (b)
Correct Answer: 0.5 to 1.5
Correct Answer: Kozney-Karman
Correct Answer: fine grinding
Correct Answer: Banbery
Correct Answer: Banbery mixer
Correct Answer: impact
Correct Answer: Screw conveyor
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