Mechanical Operations 200 mesh seive size corresponds to __________ microns. 200 74 154 24 200 74 154 24 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Is a ball mill Both B and C Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Is a ball mill Both B and C 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 → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Decreases Remains constant Increases May increase or decrease ; depends on the material being ground Decreases Remains constant Increases May increase or decrease ; depends on the material being ground ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Constant rate Varying rate Varying pressure Constant pressure Constant rate Varying rate Varying pressure Constant pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 75 50 25 10 75 50 25 10 ANSWER DOWNLOAD EXAMIANS APP
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