Mechanical Operations Which of the following screens has the maximum capacity? Vibrating screen Grizzlies Trommels Shaking screen Vibrating screen Grizzlies Trommels Shaking screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Wet grinding in high viscous suspension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Open sand Vacuum leaf Sparkler Plate and frame Open sand Vacuum leaf Sparkler Plate and frame ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Neither A nor B Volume Either A or B Weight Neither A nor B Volume Either A or B Weight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 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) 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 D.V.ρ 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 D.V.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 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 Flint or porcelain Concrete Stainless steel Bronze Flint or porcelain Concrete Stainless steel Bronze ANSWER DOWNLOAD EXAMIANS APP
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