Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 10 to 15 15 to 20 8 to 10 3 to 4 10 to 15 15 to 20 8 to 10 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In the cyclone separator used for separation of dust from dust laden gas, the gas Develops a helical motion inside the chamber Enters the cyclone from the top Is admitted tangentially at high velocity Both B and C Develops a helical motion inside the chamber Enters the cyclone from the top Is admitted tangentially at high velocity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) 1/s . c S/c C/s S . c 1/s . c S/c C/s S . c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Jaw plates Check plates Crush shaft Toggles Jaw plates Check plates Crush shaft Toggles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding None of these Has less capacity Complicates handling & classification of the product Requires more energy None of these Has less capacity Complicates handling & classification of the product Requires more energy ANSWER DOWNLOAD EXAMIANS APP
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? Cube Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS