Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Venturi Packed wet Hollow wet Co-current Venturi Packed wet Hollow wet Co-current ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mill is used for Crushing Attrition Coarse grinding Fine grinding Crushing Attrition Coarse grinding Fine grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact Vibratory None of these Roll Impact Vibratory None of these Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Squirrel-cage disintegrator Tube mill Gyratory crusher Ball mill Squirrel-cage disintegrator Tube mill Gyratory crusher Ball mill 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 (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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D 0.5 D 1.5 D D 2 D 0.5 D 1.5 D D ANSWER DOWNLOAD EXAMIANS APP
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