Mechanical Operations The filtrate flow rate in constant pressure filtration Continuously decreases Continuously increases May increase or decrease ; depends on the pressure Remains constant throughout Continuously decreases Continuously increases May increase or decrease ; depends on the pressure Remains constant throughout ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Centrifugal filter Pressure filter Vacuum filter Gravity filter Centrifugal filter Pressure filter Vacuum filter Gravity filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Compression Attrition Impact Cutting Compression Attrition Impact Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 6.35 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 18 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its High power consumption in grinding Poor grindability Easier grindability None of these High power consumption in grinding Poor grindability Easier grindability None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Decreases Increases Remain constant None of these Decreases Increases Remain constant None of these ANSWER DOWNLOAD EXAMIANS APP
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