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 V/D.S S/V 6.V/D.S V/6D.S V/D.S S/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Roll crusher Jaw crusher Gyratory crusher Cone crusher Roll crusher Jaw crusher Gyratory crusher Cone crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is < 1 1 1.5 > 1 < 1 1 1.5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 0.5 D 1.5 D D 2 D 0.5 D 1.5 D D 2 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream. Clarifier Classifier Strainer Thickener Clarifier Classifier Strainer Thickener ANSWER DOWNLOAD EXAMIANS APP
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