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 Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Plate & frame Sand Shell & leaf Rotary vacuum Plate & frame Sand Shell & leaf Rotary vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Pressure Rate Both A & B Neither A nor B Pressure Rate Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. Size None of these Terminal velocities in the same fluid & in the same field of force Specific gravity Size None of these Terminal velocities in the same fluid & in the same field of force Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the None of these Removal of fines from liquid Liquids having high vapour pressure Liquids of very high viscosity None of these Removal of fines from liquid Liquids having high vapour pressure Liquids of very high viscosity ANSWER DOWNLOAD EXAMIANS APP
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