Mechanical Operations Toothed roll crushers achieve size reduction by Impact and attrition Both A & B Tearing (shear) and compression Neither A nor B Impact and attrition Both A & B Tearing (shear) and compression Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Muller mixer Banbury internal mixer Pug mill Mixer-extruder Muller mixer Banbury internal mixer Pug mill Mixer-extruder ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the crushing energy required to create new surface ? Fick's law Taggarts rule None of these Rittinger's law Fick's law Taggarts rule None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Cyclone separator Electrostatic precipitator None of these Strainer Cyclone separator Electrostatic precipitator None of these Strainer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Filters Thickness Cyclones Sorting classifier Filters Thickness Cyclones Sorting classifier ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS