Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law Bond's crushing law None of these Rittinger's law Kick's law Bond's crushing law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Gums Resins Waxes Hard rubber Gums Resins Waxes Hard rubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Hammer Both A & B Neither A nor B Cage Hammer Both A & B Neither A nor B Cage ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 4/D.p 6/D.p 12/D.p 2/D.p 4/D.p 6/D.p 12/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is not a function of Its openings size Screening surface Screening mechanism Atmospheric humidity Its openings size Screening surface Screening mechanism Atmospheric humidity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is None of these 0.4 0.1 0.6 None of these 0.4 0.1 0.6 ANSWER DOWNLOAD EXAMIANS APP
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