Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Primary Fine Ultrafine Secondary Primary Fine Ultrafine Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Pressure Neither A nor B Rate Both A & B Pressure Neither A nor B Rate Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration All of these Added to the feed slurry Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration All of these Added to the feed slurry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 1 2.76 0.5 0.66 1 2.76 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most suitable for compounding rubber and plastic solids. Banbery mixer Pug mill Charge can mixer Pan mixer Banbery mixer Pug mill Charge can mixer Pan mixer ANSWER DOWNLOAD EXAMIANS APP
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