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 ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 0.5 √3 1 √2 0.5 √3 1 √2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/ft² Tons/hr Tons/hr-ft² Both A & B Tons/ft² Tons/hr Tons/hr-ft² Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid energy mill comes in the category of Cutter Crusher Ultrafine grinder Grinder Cutter Crusher Ultrafine grinder Grinder ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. Hammer crusher Ball mill Tube mill Jaw crusher Hammer crusher Ball mill Tube mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP