Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Clarification Froth floatation Classification Thickening Clarification Froth floatation Classification Thickening 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 S/c C/s 1/s . c S . c S/c C/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on Its speed Its ball load All of these The density of the material being ground Its speed Its ball load All of these The density of the material being ground ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Tearing (shear) and compression Both A & B Neither A nor B Impact and attrition Tearing (shear) and compression Both A & B Neither A nor B Impact and attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shape factor for a cylinder whose length equals its diameter is 1.5 1.0 0.5 2.0 1.5 1.0 0.5 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Sedimentation Clarification Flocculation Classification Sedimentation Clarification Flocculation Classification ANSWER DOWNLOAD EXAMIANS APP
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