Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Chromite Galena Rutile Siderite Chromite Galena Rutile Siderite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Sizing Sorting Flocculation Classification Sizing Sorting Flocculation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Sodium carbonate Copper sulphate Calcium carbonate Cresylic acid Sodium carbonate Copper sulphate Calcium carbonate Cresylic acid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Hardness Toughness Elasticity Size Hardness Toughness Elasticity Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)f (S/V)p (S/V)²p √(S/V)p (S/V)f (S/V)p (S/V)²p √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Alloy steel Cast iron Lead Forged/cast steel Alloy steel Cast iron Lead Forged/cast steel ANSWER DOWNLOAD EXAMIANS APP
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