Discussion
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- Question
Screen capacity is proportional to (where, S = screen aperture)
Options- A. S
- B. 1/S
- C. S2
- D. S
- Correct Answer
- S
- 1. __________ is a cohesive solid.
Options- A. Wheat
- B. Sand
- C. Wet clay
- D. none of these Discuss
- 2. Dispersion of a gas through liquid is done by using a
Options- A. sparger
- B. kneader
- C. masticator
- D. none of these Discuss
- 3. In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow.
Options- A. plug
- B. turbulent
- C. laminar
- D. none of these Discuss
- 4. The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is
Options- A. 2
- B. 2
- C. 1.5
- D. 3 Discuss
- 5. __________ mill is not a revolving mill.
Options- A. Pebble
- B. Compartment
- C. Cage
- D. Tube Discuss
- 6. For the transportation of ultrafine particles, the equipment used is a........conveyor.
Options- A. belt
- B. pneumatic
- C. screw
- D. none of these Discuss
- 7. The most suitable equipment for the transportation of 200 mesh size particles is a
Options- A. bucket elevator
- B. pneumatic conveyor
- C. screw conveyor
- D. belt conveyor Discuss
- 8. For benefication of iron ore, the most commonly used method is
Options- A. flocculation.
- B. froth floatation.
- C. jigging & tabling.
- D. none of these. Discuss
- 9. In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.
Options- A. smallest
- B. largest
- C. either (a) or (b)
- D. neither (a) nor (b) Discuss
- 10. Chance process is used for the
Options- A. cleaning of coal.
- B. concentration of iron ore.
- C. concentration of pyrites.
- D. water treatment Discuss
Mechanical Operations problems
Search Results
Correct Answer: Wet clay
Correct Answer: sparger
Correct Answer: laminar
Correct Answer: 2
Correct Answer: Cage
Correct Answer: pneumatic
Correct Answer: pneumatic conveyor
Correct Answer: jigging & tabling.
Correct Answer: neither (a) nor (b)
Correct Answer: cleaning of coal.
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