Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.02 μm/s 0.90 μm/s 22.1 μm/s 1 μm/s 0.02 μm/s 0.90 μm/s 22.1 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not a revolving mill. Tube Compartment Cage Pebble Tube Compartment Cage Pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Maximum acceptable feed size is 30 cms All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking 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). 6.V/D.S V/6D.S S/V V/D.S 6.V/D.S V/6D.S S/V V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The material is crushed in a gyratory crusher by the action of Cutting Compression Impact Attrition Cutting Compression Impact Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Gums Hard rubber Waxes Resins Gums Hard rubber Waxes Resins ANSWER DOWNLOAD EXAMIANS APP
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