Mechanical Operations Toothed roll crushers achieve size reduction by Neither A nor B Both A & B Tearing (shear) and compression Impact and attrition Neither A nor B Both A & B Tearing (shear) and compression Impact and attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >100 >10 >100 >10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During filtration operation, the filtrate encounters the resistance of the Filter medium All of these Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium Cake Filter medium All of these Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium Cake 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 The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ 1/D N ∝ D N ∝ 1/√D N ∝ √D N ∝ 1/D N ∝ D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP