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Mechanical Operations

Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Compression
Attrition
Impact
Cutting

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Mechanical Operations
Screw conveyors are

Suitable for sticky materials
Run at very high rpm
All of these
Suitable for highly abrasive materials

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Mechanical Operations
The term 'angle of nip' is concerned with the operation of the __________ crushers.

Jaw
Roll
Gyratory
None of these

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Mechanical Operations
For the preliminary breaking of hard rock, we use a

Squirrel-cage disintegrator
Ball mill
Gyratory crusher
Tube mill

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Mechanical Operations
Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?

Rod mill
Tube mill
Compartment mill
Pebble mill

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Mechanical Operations
Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor.

Apron
Screw
Belt
Flight

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