Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Both B and C Screw conveyor Flight conveyor Bucket conveyor Both B and C Screw conveyor Flight conveyor Bucket conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to that fed to the machine Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to that fed to the machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Bronze Stainless steel Concrete Flint or porcelain Bronze Stainless steel Concrete Flint or porcelain ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size, is not needed Assumption that all particles in a single fraction are equal in size Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size, is not needed Assumption that all particles in a single fraction are equal in size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the All of these Ultimate strength of the material Elastic constant of the material State or manner of application of the crushing force All of these Ultimate strength of the material Elastic constant of the material State or manner of application of the crushing force ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Cyclones Thickeners Classifiers Rotary drum filters Cyclones Thickeners Classifiers Rotary drum filters ANSWER DOWNLOAD EXAMIANS APP