Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/Dp Dp 1/D²p D²p 1/Dp Dp 1/D²p D²p 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 new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 30 25 85 3 30 25 85 3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.9 0.5 0.78 0.6 0.9 0.5 0.78 0.6 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 1000°C and 10 atm 1000°C and 500 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 10 atm 1000°C and 500 atm 500°C and 50 atm 200°C and 5 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumption in a crusher decreases with increase in the Size of feed (at constant reduction ratio) All of these Capacity of the crushing machine Size of the product (at constant feed size) Size of feed (at constant reduction ratio) All of these Capacity of the crushing machine Size of the product (at constant feed size) ANSWER DOWNLOAD EXAMIANS APP
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