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