Mechanical Operations - Study Mode

[#406] In froth floatation, chemical agent added to cause air adherence is called
Correct Answer

(A) Collector

[#407] In constant pressure filtration,
Correct Answer

(D) Rate of filtration decreases with time

[#408] Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
Correct Answer

(A) Metalliferrous ores

[#409] In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing).
Correct Answer

(B) Peclet

[#410] __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.
Correct Answer

(B) Banbery