Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Brinkman Peclet Weber Schmidt Brinkman Peclet Weber Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/3 π/3 (π/6)1/2 π (π/6)1/3 π/3 (π/6)1/2 π ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of plastic solids is generally facilitated by Dispersion None of these Mastication Kneading Dispersion None of these Mastication Kneading ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Screw conveyor Bucket conveyor Both B and C Flight conveyor Screw conveyor Bucket conveyor Both B and C Flight conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Impact and attrition Neither A nor B Tearing (shear) and compression Both A & B Impact and attrition Neither A nor B Tearing (shear) and compression Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS