In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced.
A. Concentrate
B. Tailing
C. Middling
D. None of these
Answer: Option C
This Question Belongs to Chemical Engineering >> Mechanical Operations
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A. Classifier
B. Clarifier
C. Sparkler filter
D. Rotary vacuum filter
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A. Agitation
B. Filtration
C. Size enlargement
D. Humidification
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