Mechanical Operations The inlet pressure in a constant rate filtration Remains constant Increases continuously None of these Decreases gradually Remains constant Increases continuously None of these Decreases gradually 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 Bronze Flint or porcelain Stainless steel Concrete Bronze Flint or porcelain Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Hammer Both A & B Neither A nor B Cage Hammer Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Washing All of these Drying Filtering Washing All of these Drying Filtering ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0047 cm 0.0074 mm 74 mili-microns 0.0074 cm 0.0047 cm 0.0074 mm 74 mili-microns 0.0074 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W.Dr/ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ 3.6 V.W.Dr/ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ ANSWER DOWNLOAD EXAMIANS APP