Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Secondary Primary Ultrafine Fine Secondary Primary Ultrafine Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Square of the viscosity Washing time only Square root of the velocity Filtration time only Square of the viscosity Washing time only Square root of the velocity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Properties of the cake & the filtrate Resistance of the cake & the septum None of these Pressure drop & area of filtering surface Properties of the cake & the filtrate Resistance of the cake & the septum None of these Pressure drop & area of filtering surface ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Grinding element & the housing Feed particles Neither A nor B Both A & B Grinding element & the housing Feed particles Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most suitable for compounding rubber and plastic solids. Charge can mixer Pug mill Pan mixer Banbery mixer Charge can mixer Pug mill Pan mixer Banbery mixer 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 ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 ANSWER DOWNLOAD EXAMIANS APP