Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The size reduction ratio The new surface created None of these The change in volume due to crushing The size reduction ratio The new surface created None of these The change in volume due to crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Cobalt oxide Calcium oxide Titanium oxide Manganese oxide Cobalt oxide Calcium oxide Titanium oxide Manganese oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier Screening becomes progressively more difficult ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh seive size corresponds to __________ microns. 200 154 24 74 200 154 24 74 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes None of these Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes None of these Blending immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultrafine grinders operate principally by Slow compression Impact Attrition Cutting action Slow compression Impact Attrition Cutting action ANSWER DOWNLOAD EXAMIANS APP