Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is √3 2 √2 1.5 √3 2 √2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? None of these Kick's law Rittinger's law Bond's crushing law None of these Kick's law Rittinger's law Bond's crushing law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions No units (dimensionless) KWh.m1/2/ton KWh/ton KW/ton No units (dimensionless) KWh.m1/2/ton KWh/ton KW/ton 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). 2/D.p 6/D.p 4/D.p 12/D.p 2/D.p 6/D.p 4/D.p 12/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In the cyclone separator used for separation of dust from dust laden gas, the gas Enters the cyclone from the top Both B and C Develops a helical motion inside the chamber Is admitted tangentially at high velocity Enters the cyclone from the top Both B and C Develops a helical motion inside the chamber Is admitted tangentially at high velocity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter ANSWER DOWNLOAD EXAMIANS APP