Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Terminal velocities Densities None of these Particle sizes Terminal velocities Densities None of these Particle sizes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Decreases Remains unchanged May increase or decrease; depends on the machine Increases Decreases Remains unchanged May increase or decrease; depends on the machine Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Both A & B Cage Neither A nor B Hammer Both A & B Cage Neither A nor B Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Conditioner Frother Depressor Collector Conditioner Frother Depressor Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Square of the viscosity Washing time only Square root of the velocity Filtration time only Square of the viscosity Washing time only Square root of the velocity ANSWER DOWNLOAD EXAMIANS APP
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