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Mechanical Operations

Mechanical Operations
Percentage of drum submerged in the slurry in case of rotary drum filter is

85
30
25
3

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

Cone crusher
Jaw crusher
Impact crusher
Toothed roll crusher

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Mechanical Operations
__________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products.

Roller
Pebble
Attrition
Buhrstone

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Mechanical Operations
Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ).

1/μ
1/μ²
√μ
1/√μ

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Mechanical Operations
In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.

Either A or B
Smallest
Largest
Neither A nor B

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

Jaw
Gyratory
Roll
None of these

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