Mechanical Operations Size reduction of asbestos and mica is done by Crushing rolls Gyratory crushers Rod mills Hammer mills Crushing rolls Gyratory crushers Rod mills Hammer mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding May increase or decrease ; depends on the material being ground Decreases Remains constant Increases May increase or decrease ; depends on the material being ground Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher. Toothed roll Blake jaw None of these Gyratory Toothed roll Blake jaw None of these Gyratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability Specific gravities None of these Shape Wettability Specific gravities None of these Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In the cyclone separator used for separation of dust from dust laden gas, the gas Develops a helical motion inside the chamber Enters the cyclone from the top Is admitted tangentially at high velocity Both B and C Develops a helical motion inside the chamber Enters the cyclone from the top Is admitted tangentially at high velocity Both B and C 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? Crush shaft Toggles Check plates Jaw plates Crush shaft Toggles Check plates Jaw plates ANSWER DOWNLOAD EXAMIANS APP