Compressibility co-efficient for an absolutely compressible cake is_______________?
Compressibility co-efficient for an absolutely compressible cake is_______________?
A. 0
B. 1
C. 0 to 1
D. ∞
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Colloidal mills are used for ______________ grinding?
Colloidal mills are used for ______________ grinding?A. Coarse
B. Intermediate
C. Fine
D. UltrafineColloid mills achieve size reduction mainly by___________________?
Colloid mills achieve size reduction mainly by___________________?A. Impact
B. Attrition
C. Cutting
D. CompressionNumber 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) ?
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) ?A. m/ρ . Vp
B. m . ρ/Vp
C. m . Vp/ρ
D. Vp/m . ρFor benefication of iron ore, the most commonly used method is______________?
For benefication of iron ore, the most commonly used method is______________?A. Flocculation
B. Froth floatation
C. Jigging & tabling
D. None of theseFor Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?
For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?A. 5
B. 50
C. 500
D. 5000Tank filter (e.g., Nutsche filter) is___________________?
Tank filter (e.g., Nutsche filter) is___________________?A. A high pressure filter
B. A continuous filter
C. Used for small scale filtration work
D. A leaf filter