Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. None of these Impact Roll Vibratory None of these Impact Roll Vibratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Concrete Stainless steel Bronze Flint or porcelain Concrete Stainless steel Bronze Flint or porcelain ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is None of these 1 1.5 ?2 None of these 1 1.5 ?2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mesh indicates the number of holes per Linear inch Square foot Linear foot Square inch Linear inch Square foot Linear foot Square inch ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP