Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Baum jig washer Trough washer Spiral separator Froth floatation Baum jig washer Trough washer Spiral separator Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Pressure filter Centrifugal filter Vacuum filter Coagulant Pressure filter Centrifugal filter Vacuum filter Coagulant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Remains unchanged Increases Decreases Decreases exponentially Remains unchanged Increases Decreases Decreases exponentially 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
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Gravity settling chamber Electro-static precipitator Venturi atomiser Cyclone separator Gravity settling chamber Electro-static precipitator Venturi atomiser Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 1 50 500 100 1 50 500 100 ANSWER DOWNLOAD EXAMIANS APP
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