Mechanical Operations Pine oil used in froth floatation technique acts as a/an Activator Modifier Frother Collector Activator Modifier Frother Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Capacity Both A & B Neither A nor B Reduction ratio Capacity Both A & B Neither A nor B Reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Ball mill Hammer crusher Roll crusher Gyratory crusher Ball mill Hammer crusher Roll crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 0.5 1 1.34 4.34 0.5 1 1.34 4.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Jaw plates Crush shaft Toggles Check plates Jaw plates Crush shaft Toggles Check plates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Increases Decreases exponentially Remains unchanged Decreases Increases Decreases exponentially Remains unchanged ANSWER DOWNLOAD EXAMIANS APP