______________ mill is not a revolving mill ?
______________ mill is not a revolving mill ?
A. Pebble
B. Compartment
C. Cage
D. Tube
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Separation of solid particles based on their densities is called_________________?
Separation of solid particles based on their densities is called_________________?A. Sizing
B. Sorting
C. Clarification
D. DispersionWhich of the following must be stored in silos and not in open yard ?
Which of the following must be stored in silos and not in open yard ?A. Coke breeze
B. High V.M. bituminous coal
C. Sand
D. None of theseTheoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?
Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?A. 3.6 V.W.Dr.ρ
B. 3.6 V.W. ρ
C. 3.6 W.Dr.ρ
D. 3.6 V.W.Dr/ρVertical transportation of materials can be done by a/an_______________?
Vertical transportation of materials can be done by a/an_______________?A. Apron conveyor
B. Pneumatic conveyor
C. Bucket elevator
D. Both B. & C.The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?A. 20
B. 12
C. 8
D. 2Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of__________________?
Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of__________________?A. Bronze
B. Stainless steel
C. Flint or porcelain
D. Concrete