Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Sphere Cube Cylinder (L/D = 1) Raschig rings Sphere Cube Cylinder (L/D = 1) Raschig rings ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is a secondary crusher for a hard & tough stone? Toothed roll crusher Jaw crusher Impact crusher Cone crusher Toothed roll crusher Jaw crusher Impact crusher Cone crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Clarification Sedimentation Elutriation Classification Clarification Sedimentation Elutriation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Electrostatic precipitator Strainer Cyclone separator None of these Electrostatic precipitator Strainer Cyclone separator None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by Compression None of these Attrition Cutting Compression None of these Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.014 0.007 0.3 50 0.014 0.007 0.3 50 ANSWER DOWNLOAD EXAMIANS APP