Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Hammer mills with internal classification Micronizers Toothed roll crusher Agitated mills and fluid energy mills Hammer mills with internal classification Micronizers Toothed roll crusher Agitated mills and fluid energy mills 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 Filtration rate does not depend upon the None of these Pressure drop & area of filtering surface Resistance of the cake & the septum Properties of the cake & the filtrate None of these Pressure drop & area of filtering surface Resistance of the cake & the septum Properties of the cake & the filtrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 Po ∝ Re0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Pin mill Jet mill Hammer mill Ball mill Pin mill Jet mill Hammer mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
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