Mechanical Operations The study on washability of coal is done by using the __________ technique. Tabling None of these Elutriation Heavy media separation Tabling None of these Elutriation Heavy media separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is >1 2 1 >1 2 1 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 M/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp Vp/m . ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Pressure filter Vacuum filter Centrifugal filter Coagulant Pressure filter Vacuum filter Centrifugal filter Coagulant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Batch basket centrifuge Plate and frame filter press Sand bed filter Vacuum filter Batch basket centrifuge Plate and frame filter press Sand bed filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
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