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.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

3.6 V.W. ρ

3.6 W.Dr.ρ

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Mechanical Operations
Which of the following mechanical conveyors does not come under the division 'carriers'?

Screw conveyor

Bucket elevator

Apron conveyor

Belt conveyor

Screw conveyor

Bucket elevator

Apron conveyor

Belt conveyor

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Mechanical Operations
The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³)

3.6 AVS/ρ

3.6 A.S. ρ

3.6 AVS.ρ

3.6 A.V.ρ

3.6 AVS/ρ

3.6 A.S. ρ

3.6 AVS.ρ

3.6 A.V.ρ

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Mechanical Operations
Energy consumed for crushing one ton of material ranges from __________ kWh.

0.5 to 1.5

4 to 5

0.01 to 0.1

2 to 3.5

0.5 to 1.5

4 to 5

0.01 to 0.1

2 to 3.5

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Mechanical Operations
During filtration operation, the filtrate encounters the resistance of the

Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium

All of these

Filter medium

Cake

Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium

All of these

Filter medium

Cake

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Mechanical Operations
Sedimentation on commercial scale occurs in

Classifiers

Rotary drum filters

Thickeners

Cyclones

Classifiers

Rotary drum filters

Thickeners

Cyclones

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Mechanical Operations

Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'?

Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³)

Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh.

Mechanical Operations During filtration operation, the filtrate encounters the resistance of the

Mechanical Operations Sedimentation on commercial scale occurs in

Mechanical Operations
Which of the following mechanical conveyors does not come under the division 'carriers'?

Mechanical Operations
The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³)

Mechanical Operations
Energy consumed for crushing one ton of material ranges from __________ kWh.

Mechanical Operations
During filtration operation, the filtrate encounters the resistance of the

Mechanical Operations
Sedimentation on commercial scale occurs in