Mechanical Operations

391. Which of the following is a batch sedimentation equipment?

1. Dust catcher
2. Filter thickener
3. Dry cyclone separator
4. Rotary sprayer scrubber

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392. Which of the following is a coarse crusher?

1. Smooth roll crusher
2. Toothed roll crusher
3. Gyratory crusher
4. Tube mill

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393. Which of the following is a continuous filter?

1. Plate and frame filter
2. Cartridge filter
3. Shell and leaf filter
4. None of these

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394. Which of the following is a fine crusher?

1. Blake jaw crusher
2. Gyratory crusher
3. Toothed roll crusher
4. Dodge jaw crusher

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395. Which of the following is a pressure filter?

1. Leaf filter (Moore filter)
2. Plate and flame filter
3. Rotary drum filter
4. Sand filter

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396. Which of the following is a vacuum filter?

1. Filter press
2. Rotary disc filter
3. Batch basket centrifuge
4. Tank filter (Nutsche filter)

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397. Which of the following is not a cutting machine?

1. Dicers
2. Knife cutters
3. Slitters
4. Tube mills

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398. Which of the following is not a non-metalliferous mineral?

1. Calcite
2. Fluorspar
3. Quartz
4. Cassiterite

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399. Which of the following is not a part of the Blake jaw crusher?

1. Hanger
2. Check plates
3. Toggles
4. Pitman

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400. Which of the following is not a revolving/tumbling mill used for size reduction?

1. Compartment mill
2. Pebble mill
3. Cage mill
4. Rod mill

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