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Mechanical Operations

Mechanical Operations
For the transportation of ultrafine particles, the equipment used is a........conveyor.

None of these
Screw
Belt
Pneumatic

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Mechanical Operations
__________ centrifuge is the most suitable for separation of non-friable crystals.

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

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Mechanical Operations
Raw materials are charged in the iron blast furnace using

Screw conveyor
Skip hoist
Bucket elevator
None of these

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Mechanical Operations
The capacity of a pneumatic conveying system depends upon the

Pressure of the conveying air
Bulk density of materials
All of these
Diameter of the conveying line

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Mechanical Operations
Which of the following minerals is not subjected to magnetic separation method?

Galena
Chromite
Rutile
Siderite

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Mechanical Operations
In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing.

Primary
Ultrafine
Secondary
Fine

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