Mineral Dressing Objective Quiz, Multiple Choice Questions Pdf - 1
Question: 1
Which of the following minerals is not subjected to magnetic separation method?
(A) Galena
(B) Rutile
(C) Chromite
(D) Siderite
Ans: A
Galena
Question: 2
Tungsten filaments are produced by ____ technique.
(A) Forging
(B) Electrodeposition
(C) Powder metallurgy
(D) Die casting
Ans: C
Powder metallurgy
Question: 3
If a force greater than that of gravity is used to separate solids and fluids of different densities, the process is termed as the
(A) Centrifugation
(B) Dispersion
(C) Flocculation
(D) Sedimentation
Ans: A
Centrifugation
Question: 4
Which of the following achieves the least reduction ratio for a given feed size?
(A) Gyratory crusher
(B) Cone crusher
(C) Jaw crusher
(D) Roll crusher
Ans: D
Roll crusher
Question: 5
The filtrate flow rate in a constant pressure filtration
(A) May increase or decrease; depends on the pressure
(B) Continuously increases
(C) Continuously decreases
(D) Remains constant throughout
Ans: C
Continuously decreases
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