Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Shape None of these Wettability Specific gravities Shape None of these Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Rejection Recovery/rejection Recovery None of these Rejection Recovery/rejection Recovery None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding All of these Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Vacuum filter Pressure filter Centrifugal filter Gravity filter Vacuum filter Pressure filter Centrifugal filter Gravity filter 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 Bi-carbonates Carbonates Sulphates Silicates & phosphates Bi-carbonates Carbonates Sulphates Silicates & phosphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Supporting legs of a plate and frame filter is normally made of High speed steel Wooden plank Cast iron Stainless steel High speed steel Wooden plank Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS