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? Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Banbury internal mixer Pug mill Mixer-extruder Muller mixer Banbury internal mixer Pug mill Mixer-extruder Muller mixer 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 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Filtration pressure rises suddenly Cake becomes very dense Both A & B Liquor stops flowing out to the discharge Filtration pressure rises suddenly Cake becomes very dense Both A & B Liquor stops flowing out to the discharge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of solids are removed from, liquid in a Clarifier Rotary vacuum filter Sparkler filter Classifier Clarifier Rotary vacuum filter Sparkler filter Classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. Ball mill Tube mill Jaw crusher Hammer crusher Ball mill Tube mill Jaw crusher Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
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