Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Carbonates Silicates & phosphates Bi-carbonates Sulphates Carbonates Silicates & phosphates Bi-carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling Panning Tabling None of these Spiralling Panning Tabling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is proportional to (where, S = screen aperture) 1/S √S S² S 1/S √S S² S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Is useful for handling sticky materials ANSWER DOWNLOAD EXAMIANS APP