Mechanical Operations In case of a hammer crusher, the Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Rotor shaft carrying hammers can be vertical or horizontal Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Rotor shaft carrying hammers can be vertical or horizontal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is used for producing a thick suspension from a thin slurry. Plate and frame filter press Rotary drum vacuum filter Cartridge filter Pressure filter thickener Plate and frame filter press Rotary drum vacuum filter Cartridge filter Pressure filter thickener ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 50 to 70 0.1 to 2 20 to 25 5 to 10 50 to 70 0.1 to 2 20 to 25 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is All of these Precoated on the filter medium prior to filtration Added to the feed slurry Separated from the cake by dissolving solids or by burning it off All of these Precoated on the filter medium prior to filtration Added to the feed slurry Separated from the cake by dissolving solids or by burning it off ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a None of these Sharpies centrifuge Boundary mixer Propeller agitator None of these Sharpies centrifuge Boundary mixer Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
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