Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Brinkman Schmidt Weber Peclet Brinkman Schmidt Weber Peclet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ 1/D N ∝ √D N ∝ D N ∝ 1/√D N ∝ 1/D N ∝ √D N ∝ D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required in crushing is proportional to the new surface created Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required in crushing is proportional to the new surface created Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Ball mill Pin mill Hammer mill Jet mill Ball mill Pin mill Hammer mill Jet mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Pug mill Muller mixer Banbury mixer Mixer-extruder Pug mill Muller mixer Banbury mixer Mixer-extruder ANSWER DOWNLOAD EXAMIANS APP