Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Sphere Cylinder (L/D = 1) Raschig rings Cube Sphere Cylinder (L/D = 1) Raschig rings Cube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a part of the Blake jaw crusher? Toggles Check plates Pitman Hanger Toggles Check plates Pitman Hanger ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Both A & B Neither A nor B Impact and attrition Tearing (shear) and compression Both A & B Neither A nor B Impact and attrition Tearing (shear) and compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of filter medium resistance is Cm⁻¹ Gm⁻¹ Gm/cm⁻¹ Cm/gm⁻¹ Cm⁻¹ Gm⁻¹ Gm/cm⁻¹ Cm/gm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moisture can be removed from lubricating oil using Tubular centrifuge Vacuum leaf filter Sparkler filter Clarifier Tubular centrifuge Vacuum leaf filter Sparkler filter Clarifier ANSWER DOWNLOAD EXAMIANS APP
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