Mineral Dressing In Metallurgy - Study Mode

[#41] Which of the following is softest material
Correct Answer

(C) Calcite

[#42] Separation of particles of various sizes, shapes & densities by allowing them to settle in a fluid is called
Correct Answer

(A) classification

[#43] During filtration operation, the filtrate encounters the resistance of the
Correct Answer

(D) all A, B and C

[#44] Match the following: Group 1 Group 2 P. Floatation 1. Separation on the basis of density difference Q. Electrostatic concentration 2. Reduction in size R. Comminution 3. Surface charge is induced in particles S. Heavy media separation 4. Modification of surface tension
Correct Answer

(D) P-4, Q-3, R-2, S-1

[#45] The capacity of a pneumatic conveying system depends upon the
Correct Answer

(D) all A, B and C