Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Slightly more than Less than At least equal to Much more than Slightly more than Less than At least equal to Much more than 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) M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Cotton fibres Metallic wire woven mesh Polyester fibres Nylon fibres Cotton fibres Metallic wire woven mesh Polyester fibres Nylon fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Impact mill Fluid energy mill Hammer crusher Roller crusher Impact mill Fluid energy mill Hammer crusher Roller crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil used in froth floatation technique acts as a/an Activator Frother Modifier Collector Activator Frother Modifier Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Rittinger's law Kick's law Bond's law None of these Rittinger's law Kick's law Bond's law None of these ANSWER DOWNLOAD EXAMIANS APP
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