Mechanical Operations Grindability of a material does not depend upon its Hardness Elasticity Toughness Size Hardness Elasticity Toughness Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers All of these Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes less power Results in increased capacity Consumes more power Both A and C Consumes less power Results in increased capacity Consumes more power Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultrafine grinders operate principally by Attrition Slow compression Impact Cutting action Attrition Slow compression Impact Cutting action ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.68 0.58 0.62 0.5 0.68 0.58 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 1 √2 √3 0.5 1 √2 √3 0.5 ANSWER DOWNLOAD EXAMIANS APP
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