Mechanical Operations Which of the following is a pressure filter? Plate and flame filter Rotary drum filter Leaf filter (Moore filter) Sand filter Plate and flame filter Rotary drum filter Leaf filter (Moore filter) Sand filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation. Fanning's Kremser Hagen-Poiseulle's Kozney-Karman Fanning's Kremser Hagen-Poiseulle's Kozney-Karman ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a pneumatic conveying system depends upon the All of these Bulk density of materials Pressure of the conveying air Diameter of the conveying line All of these Bulk density of materials Pressure of the conveying air Diameter of the conveying line 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? Raschig rings Cube Sphere Cylinder (L/D = 1) Raschig rings Cube Sphere Cylinder (L/D = 1) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton 6.35 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
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