Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fibrous material is broken by a Squirrel-cage disintegrator Ball mill Tube mill Rollcrusher Squirrel-cage disintegrator Ball mill Tube mill Rollcrusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Resistance decreases with time Rate of filtration is constant Rate of filtration decreases with time Rate of filtration increases with time Resistance decreases with time Rate of filtration is constant Rate of filtration decreases with time Rate of filtration increases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 500°C and 50 atm 1000°C and 10 atm 1000°C and 500 atm 200°C and 5 atm 500°C and 50 atm 1000°C and 10 atm 1000°C and 500 atm 200°C and 5 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid particles based on their densities is called Dispersion Clarification Sizing Sorting Dispersion Clarification Sizing Sorting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS