Mechanical Operations Rittinger's crushing law states that Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Attrition Impact Cutting Compression Attrition Impact Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Blending immiscible liquids Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) None of these Blending immiscible liquids Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Viscosity Density Surface tension Thermal conductivity Viscosity Density Surface tension Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Asbestos Rice husk Purified wood cellulose Diatomaceous earth Asbestos Rice husk Purified wood cellulose Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Gums Waxes Resins Hard rubber Gums Waxes Resins Hard rubber ANSWER DOWNLOAD EXAMIANS APP
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