Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D N ∝ D N ∝ 1/D N ∝ 1/√D 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 . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of solids are removed from, liquid in a Classifier Clarifier Sparkler filter Rotary vacuum filter Classifier Clarifier Sparkler filter Rotary vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Gyratory crushers Rod mills Smooth roll crushers Jaw crushers Gyratory crushers Rod mills Smooth roll crushers Jaw crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). D²p Dp 1/Dp 1/D²p D²p Dp 1/Dp 1/D²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S S/V V/D.S 6.V/D.S V/6D.S S/V V/D.S 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP
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