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Mechanical Operations

Mechanical Operations
Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill.

Both A & B
Cage
Neither A nor B
Hammer

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Mechanical Operations
Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the

Flocculation
Coagulation
Clarification
Sedimentation

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Mechanical Operations
Which of the following is a batch sedimentation equipment?

Rotary sprayer scrubber
Filter thickener
Dry cyclone separator
Dust catcher

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Mechanical Operations
The crushed material received for separation is called feed or

Tailing
Heading
Concentrate
Middling

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Mechanical Operations
__________ centrifuge is normally used in sugar mills.

Disc-bowl
Perforated horizontal basket continuous
Suspended batch basket
Tubular bowl

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Mechanical Operations
Which is a secondary crusher for a hard & tough stone?

Cone crusher
Impact crusher
Toothed roll crusher
Jaw crusher

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