Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 1 >1 2 1 >1 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Decreases Remains unchanged Increases May increase or decrease; depends on the machine Decreases Remains unchanged Increases May increase or decrease; depends on the machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Sand Rotary vacuum Plate & frame Shell & leaf Sand Rotary vacuum Plate & frame Shell & leaf ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S S/V V/D.S 6.V/D.S V/6D.S S/V V/D.S 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the Clearance between hammer & grinding plates All of these Feed rate Rotor speed Clearance between hammer & grinding plates All of these Feed rate Rotor speed ANSWER DOWNLOAD EXAMIANS APP