Mechanical Operations In filtration, the use of 'filter aid' helps in Accelerating the rate of filtration Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Accelerating the rate of filtration Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure ANSWER DOWNLOAD EXAMIANS APP
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? Sphere Cylinder (L/D = 1) Raschig rings Cube Sphere Cylinder (L/D = 1) Raschig rings Cube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? Leva Blake-Plummer equation None of these Kozney-Karman equation Leva Blake-Plummer equation None of these Kozney-Karman equation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 40 - 50 15 - 20 43832 60 - 75 40 - 50 15 - 20 43832 60 - 75 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Rod mill Tube mill Pebble mill Compartment mill Rod mill Tube mill Pebble mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Rotary disc filter Filter press Tank filter (Nutsch filter) Batch basket centrifuge Rotary disc filter Filter press Tank filter (Nutsch filter) Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP