Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Less than At least equal to Much more than Slightly more than Less than At least equal to Much more than Slightly more than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) S . c S/c 1/s . c C/s S . c S/c 1/s . c C/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Neither A nor B Both A & B Hammer Cage Neither A nor B Both A & B Hammer Cage ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Liquor stops flowing out to the discharge Cake becomes very dense Filtration pressure rises suddenly Both A & B Liquor stops flowing out to the discharge Cake becomes very dense Filtration pressure rises suddenly Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Tube Pebble Ring-roll Compartment Tube Pebble Ring-roll Compartment ANSWER DOWNLOAD EXAMIANS APP
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