Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp Dp/Df Df/Dp None of these Df - Dp Dp/Df Df/Dp None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 0.00184 0.0184 0.184 1.84 0.00184 0.0184 0.184 1.84 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration Remains constant throughout May increase or decrease ; depends on the pressure Continuously increases Continuously decreases Remains constant throughout May increase or decrease ; depends on the pressure Continuously increases Continuously decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Froth floatation None of these Flocculation Jigging & tabling Froth floatation None of these Flocculation Jigging & tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Tabling Elutriation None of these Heavy media separation Tabling Elutriation None of these Heavy media separation ANSWER DOWNLOAD EXAMIANS APP
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