Mechanical Operations - Study Mode
[#291] Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a
Correct Answer
(A) Pug mill
[#292] Limestone is normally crushed in a
Correct Answer
(B) Hammer crusher
[#293] A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is
Correct Answer
(C) $$frac{1}{2}$$w 2 .δ.ρL(2R + δ)
[#294] __________ is used for producing a thick suspension from a thin slurry.
Correct Answer
(C) Pressure filter thickener
[#295] Which of the following is not a non-metalliferous mineral?
Correct Answer
(D) Cassiterrite