A fluid energy mill is used for_________________?
A fluid energy mill is used for_________________?
A. Cutting
B. Grinding
C. Ultra grinding
D. Crushing
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Which of the following screens has the maximum capacity ?
Which of the following screens has the maximum capacity ?A. Grizzlies
B. Trommels
C. Shaking screen
D. Vibrating screenThe filtrate flow rate in constant pressure filtration___________________?
The filtrate flow rate in constant pressure filtration___________________?A. Continuously increases
B. Continuously decreases
C. Remain constant throughout
D. May increase or decrease; depends on the pressureEnergy consumption in a crusher decreases with increase in the________________________?
Energy consumption in a crusher decreases with increase in the________________________?A. Size of the product (at constant feed size)
B. Capacity of the crushing machine
C. Size of feed (at constant reduction ratio)
D. All A., B. & C.For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?
For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?A. 5
B. 50
C. 500
D. 5000Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m3) ?
Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m3) ?A. 3.6 W.D.V.ρ
B. 3.6 W.D.V
C. 3.6 W.V.ρ
D. 3.6 D.V.ρA _____________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end?
A _____________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end?A. Compartment
B. Tube
C. Rod
D. Pebble