Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Shape Specific gravities Wettability None of these Shape Specific gravities Wettability None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Both A & B Neither A nor B Cage Hammer Both A & B Neither A nor B Cage Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Square of the viscosity Square root of the velocity Washing time only Filtration time only Square of the viscosity Square root of the velocity Washing time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Kneader Banbery mixer Pug mill Impact wheels Kneader Banbery mixer Pug mill Impact wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Centrifugal force is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled Centrifugal force is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact None of these Roll Vibratory Impact None of these Roll Vibratory ANSWER DOWNLOAD EXAMIANS APP
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