Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of
A. Electromagnets
B. Cams or eccentric shafts
C. Unblanced fly wheels
D. Either A, B or C
Answer: Option D
Related Questions on Mechanical Operations
A. Rittinger's law
B. Kick's law
C. Bond's law
D. None of these
Traces of solids are removed from, liquid in a
A. Classifier
B. Clarifier
C. Sparkler filter
D. Rotary vacuum filter
Which of the following is not categorised as a "mechanical operation"?
A. Agitation
B. Filtration
C. Size enlargement
D. Humidification
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