Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the 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 Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Cutting action Impact and attrition Compression and tearing Compression Cutting action Impact and attrition Compression and tearing Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Paddle agitator Is suitable for mixing low viscosity liquids None of these Produces axial flow Moves at very high speed Is suitable for mixing low viscosity liquids None of these Produces axial flow Moves at very high speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 0.00184 0.184 0.0184 1.84 0.00184 0.184 0.0184 1.84 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Jaw crushers Tube mills Ball mills Compartment mills Jaw crushers Tube mills Ball mills Compartment mills ANSWER DOWNLOAD EXAMIANS APP
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