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Mechanical Operations

Mechanical Operations
Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

√2
√3
0.5
1

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Mechanical Operations
A belt conveyor used for the transportation of materials can

Run upto 1 km
Travel at a speed upto 300 metres/minute
Handle materials upto 5000 tons/hr
All of these

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Mechanical Operations
In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing.

Primary
Ultrafine
Fine
Secondary

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Mechanical Operations
Feed size of ≥ 25 cms can be accepted by

Fluid energy mill
Jaw crusher
Rod mill
Ball mill

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Mechanical Operations
Use of 'grinding aids' is done in __________ grinding.

Ultrafine
Dry
Wet
Intermediate

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Mechanical Operations
Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size.

5 to 25
100 to 250
50 to 100
0.2 to 0.8

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MORE MCQ ON Mechanical Operations

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