Mechanical Operations A compressible cake has the Maximum porosity at the filter medium Maximum porosity at the upstream side Same porosity throughout the cake thickness None of these Maximum porosity at the filter medium Maximum porosity at the upstream side Same porosity throughout the cake thickness None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Production rate at a given limiting size is lower Operation is economical Product has lesser size uniformity Specific surface of product is more Production rate at a given limiting size is lower Operation is economical Product has lesser size uniformity Specific surface of product is more ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for fine grinders is 44124 43961 As high as 100 20-40 44124 43961 As high as 100 20-40 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Compression Cutting Attrition Impact Compression Cutting Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the 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 needed to crush one ton of feed to 100 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 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 needed to crush one ton of feed to 100 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Compression Cutting Impact Attrition Compression Cutting Impact Attrition ANSWER DOWNLOAD EXAMIANS APP
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