Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = Vp/dp sp Φs = 6 Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp 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 Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? None of these Bond's crushing law Kick's law Rittinger's law None of these Bond's crushing law Kick's law Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Raw materials are charged in the iron blast furnace using Screw conveyor None of these Bucket elevator Skip hoist Screw conveyor None of these Bucket elevator Skip hoist 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? Check plates Toggles Jaw plates Crush shaft Check plates Toggles Jaw plates Crush shaft ANSWER DOWNLOAD EXAMIANS APP
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