Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a Boundary mixer Propeller agitator Sharpies centrifuge None of these Boundary mixer Propeller agitator Sharpies centrifuge None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.014 0.007 50 0.3 0.014 0.007 50 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Dry Intermediate Wet Ultrafine Dry Intermediate Wet Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Stamp mills are generally used for crushing Gold ores Talc Diamond Iron ores Gold ores Talc Diamond Iron ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The new surface created The change in volume due to crushing The size reduction ratio None of these The new surface created The change in volume due to crushing The size reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df/Dp None of these Dp/Df Df - Dp Df/Dp None of these Dp/Df Df - Dp ANSWER DOWNLOAD EXAMIANS APP
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