Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Centrifugal filter Vacuum filter Coagulant Pressure filter Centrifugal filter Vacuum filter Coagulant Pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Washing time only Filtration time only Square root of the velocity Square of the viscosity Washing time only Filtration time only Square root of the velocity Square of the viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Sorting classifier Cyclones Thickness Filters Sorting classifier Cyclones Thickness Filters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In screen analysis, the notation +5 mm/-10 mm means particles passing through 5 mm screen and retained on 10 mm screen Neither 5 mm nor 10 mm screen 10 mm screen and retained on 5 mm screen Both 5 mm and 10 mm screens 5 mm screen and retained on 10 mm screen Neither 5 mm nor 10 mm screen 10 mm screen and retained on 5 mm screen Both 5 mm and 10 mm screens ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. Compressible cake and turbulent Incompressible cake and laminar Compressible cakes and laminar Incompressible cake and turbulent Compressible cake and turbulent Incompressible cake and laminar Compressible cakes and laminar Incompressible cake and turbulent ANSWER DOWNLOAD EXAMIANS APP
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