For raschig rings, the sphericity is_____________________?
For raschig rings, the sphericity is_____________________?
A. 0.5
B. 1
C. < 1
D. √3
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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) ?
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.ρAngle of nip of the crushing rolls does not depend upon the_______________?
Angle of nip of the crushing rolls does not depend upon the_______________?A. Diameter of the rolls
B. Speed of the rolls
C. Product size
D. Feed sizeThe capacity of a pneumatic conveying system depends upon the ______________________?
The capacity of a pneumatic conveying system depends upon the ______________________?A. Bulk density of materials
B. Pressure of the conveying air
C. Diameter of the conveying line
D. All A., B. and C.Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?
Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?A. Drag
B. Ribbon
C. Screw
D. SlatSize reduction of moulding powders, waxes, resins & gums are done in a _______________ mill?
Size reduction of moulding powders, waxes, resins & gums are done in a _______________ mill?A. Cage
B. Hammer
C. Both A. & B.
D. Neither A. nor B._______________ mill is not used for grinding wheat into flour and for milling of cereals & other ?
_______________ mill is not used for grinding wheat into flour and for milling of cereals & other ?vegetable products.
A. Buhrstone
B. Roller
C. Attrition
D. Pebble