Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Grinding element & the housing Feed particles Neither A nor B Both A & B Grinding element & the housing Feed particles Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the None of these Assumption that all particles in a single fraction are equal in size Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed None of these Assumption that all particles in a single fraction are equal in size Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Cube of impeller diameters Density of the liquid Viscosity of the liquid Square of rotational speed Cube of impeller diameters Density of the liquid Viscosity of the liquid Square of rotational speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df/Dp None of these Df - Dp Dp/Df Df/Dp None of these Df - Dp Dp/Df ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 100 1 500 50 100 1 500 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Remains constant Increases 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 ANSWER DOWNLOAD EXAMIANS APP