Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 90-95 40-50 75-80 43835 90-95 40-50 75-80 43835 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Humidification Filtration Agitation Size enlargement Humidification Filtration Agitation Size enlargement ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Neither A nor B Feed material Both A & B Type of crushing machine Neither A nor B Feed material Both A & B Type of crushing machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Silicates & phosphates Carbonates Sulphates Bi-carbonates Silicates & phosphates Carbonates Sulphates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 22.1 μm/s 1 μm/s 0.02 μm/s 0.90 μm/s 22.1 μm/s 1 μm/s 0.02 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Tabling Spiralling Panning None of these Tabling Spiralling Panning None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS