Mechanical Operations Apron conveyors are used for Heavy loads & short runs None of these Small loads & long runs Heavy loads & long runs Heavy loads & short runs None of these Small loads & long runs Heavy loads & long runs ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) D 1/D2.5 1/D D2.5 D 1/D2.5 1/D D2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ NRe Np ∝ √NRe Np ∝ 1/NRe Np → constant Np ∝ NRe Np ∝ √NRe Np ∝ 1/NRe Np → constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Handling of ashes and similar materials can be done best by a __________ conveyor. Belt Drag or slat Ribbon Flight Belt Drag or slat Ribbon Flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dry powdery solid materials are transported by a __________ conveyor. None of these Belt Bucket Screw None of these Belt Bucket Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one tonne of feed to 200 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
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