Identify the correct statements P A reagent could be a collector...

Home / Metallurgical Engineering / Mineral Dressing In Metallurgy / Question

Examveda

Identify the correct statements:
P. A reagent could be a collector for one system and a frother for another.
Q. Usage of a frother makes the bubble stable.
R. Usage of a frother makes the mineral surface hydrophobic
S. Some mineral floatation processes will not require any collector.

A. P, Q

B. Q, R

C. P, S

D. P, R

Answer: Option D

Related Questions on Mineral Dressing in Metallurgy

A. classification

B. froth floatation

C. Thickening

D. none of these

View Answer

A. filter medium

B. cake

C. channel carrying the slurry to then upstream side of the cake and filtrate away from the filter medium

D. all A, B and C

View Answer

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

A. P-2, Q-1, R-4, S-3

B. P-1, Q-2, R-3, S-4

C. P-3, Q-4, R-1, S-2

D. P-4, Q-3, R-2, S-1

View Answer

A. bulk density of materials

B. pressure of the conveying air

C. diameter of the conveying line

D. all A, B and C

View Answer