Flocculants increase particle size less effectively than electrolytes or cogulants - Answer-F
Finer particles are more difficult to dewater than larger particles due to their large surface area - Answer-T
80% - 200 mesh means that 80% of the material is coarser than 200 mesh - Answer-F
The...
MNG 301 Final Exam Questions and
Answers
Flocculants increase particle size less effectively than electrolytes or cogulants -
Answer-F
Finer particles are more difficult to dewater than larger particles due to their large
surface area - Answer-T
80% - 200 mesh means that 80% of the material is coarser than 200 mesh - Answer-F
The role of frothers in flotation is to absorb onto desired particles to make them more
hydrophobic - Answer-F
thickeners and fillers are both used for dewatering process stream solids but they
operate independently with minimal effect on each other - Answer-F
Float/sink washability is a lab procedure used to predict the quality and yield of products
that can be recovered at various separation densities - Answer-T
Since the primary function of filter cloth is to retain particulars during filtration it is
specified by opening size - Answer-F
A mixture of good and poor electrical conductors can be separated using the corona
charging electrostatic separator - Answer-T
Filter media is necessary for retaining solids during filtration but as the cake
accumulates, it also acts as filter media - Answer-F
Release analysis is used to predict the limits of separation that can be achieved by
flotation - Answer-T
Since electrostatic separation is a dry process, it cannot be used to separate minerals -
Answer-F
A significant amount of near density material makes density separation more difficult,
just as significant amount of near sized material makes classification by screening more
difficult - Answer-T
Froth flotation is a selective separation process that is unique to mineral processing -
Answer-F
Wet drum magnets are not used in coal preparation because coal has no magnetic
properties - Answer-F
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