Mechanical Operations Which of the following oxides is not present in hematite iron ore? Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the 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 Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Secondary Primary Fine Ultrafine Secondary Primary Fine Ultrafine 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 change in volume due to crushing None of these The size reduction ratio The new surface created The change in volume due to crushing None of these The size reduction ratio The new surface created ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Paddle agitator None of these Produces axial flow Is suitable for mixing low viscosity liquids Moves at very high speed None of these Produces axial flow Is suitable for mixing low viscosity liquids Moves at very high speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Neither A nor B Cake thickness Both A & B Characteristics of the feed slurry Neither A nor B Cake thickness Both A & B Characteristics of the feed slurry ANSWER DOWNLOAD EXAMIANS APP