Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 0.5 √3 √2 1 0.5 √3 √2 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing Middling Concentrate None of these Tailing Middling Concentrate None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Is a tube mill lined with ceramic or other non-metallic liner Is a ball mill Employs flints or ceramic pebbles as the grinding medium Both B and C Is a tube mill lined with ceramic or other non-metallic liner Is a ball mill Employs flints or ceramic pebbles as the grinding medium Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. Tube mill Hammer crusher Ball mill Jaw crusher Tube mill Hammer crusher Ball mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of discharge opening to feed opening None of these Determining factor for minimum dia of the feed and the product Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening None of these Determining factor for minimum dia of the feed and the product Ratio of feed opening to discharge opening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re-1.0 Po ∝ Re1.0 Po ∝ Re0.0 Po ∝ Re0.5 Po ∝ Re-1.0 Po ∝ Re1.0 Po ∝ Re0.0 Po ∝ Re0.5 ANSWER DOWNLOAD EXAMIANS APP
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