Mechanical Operations Screen efficiency is Rejection Recovery/rejection Recovery None of these Rejection Recovery/rejection Recovery None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Reducing the filtration pressure Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium Reducing the filtration pressure Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1.34 4.34 0.5 1 1.34 4.34 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Propellers Turbine agitators Multiple blade paddles None of these Propellers Turbine agitators Multiple blade paddles None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S V/6D.S S/V V/D.S 6.V/D.S V/6D.S S/V V/D.S ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS