Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Flight conveyor Screw conveyor Both B and C Bucket conveyor Flight conveyor Screw conveyor Both B and C Bucket conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 0.184 0.00184 1.84 0.0184 0.184 0.00184 1.84 0.0184 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Crushing rolls Ball mill Hammer mill Buhrstone mill Crushing rolls Ball mill Hammer mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most suitable for compounding rubber and plastic solids. Pan mixer Charge can mixer Pug mill Banbery mixer Pan mixer Charge can mixer Pug mill Banbery mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Volume Either A or B Neither A nor B Weight Volume Either A or B Neither A nor B Weight ANSWER DOWNLOAD EXAMIANS APP
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