Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m)

Mechanical Operations
Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m)

3.6 V.W. ρ

3.6 W.Dr.ρ

3.6 V.W.Dr.ρ

3.6 V.W.Dr/ρ

3.6 V.W. ρ

3.6 W.Dr.ρ

3.6 V.W.Dr.ρ

3.6 V.W.Dr/ρ

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Mechanical Operations
Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.

Varying rate

Constant pressure

Constant rate

Varying pressure

Varying rate

Constant pressure

Constant rate

Varying pressure

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Mechanical Operations
The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

Same as

10 times

5 times

2.5 times

Same as

10 times

5 times

2.5 times

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Mechanical Operations
To remove dirt from the flowing fluid, we use a

Clarifier

Strains

Gravity settler

Coagulant

Clarifier

Strains

Gravity settler

Coagulant

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Mechanical Operations
Balls for ball mills are never made of

Lead

Forged/cast steel

Alloy steel

Cast iron

Lead

Forged/cast steel

Alloy steel

Cast iron

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Mechanical Operations
Pine oil and cresylic acid are used as __________ in the froth floatation process.

Depressor

Frother

Conditioner

Collector

Depressor

Frother

Conditioner

Collector

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Mechanical Operations

Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.

Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

Mechanical Operations To remove dirt from the flowing fluid, we use a

Mechanical Operations Balls for ball mills are never made of

Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process.

Mechanical Operations
Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.

Mechanical Operations
The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

Mechanical Operations
To remove dirt from the flowing fluid, we use a

Mechanical Operations
Balls for ball mills are never made of

Mechanical Operations
Pine oil and cresylic acid are used as __________ in the froth floatation process.