A. Ultra
B. Disk-bowl
C. Both A. & B.
D. Neither A. nor B.
Related Mcqs:
- _______________ centrifuge is the most suitable for separation of non-friable crystals?
A. Tubular bowl
B. Disc-bowl
C. Perforated horizontal basket continuous
D. Suspended batch basket - If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the_________________?
A. Linear speed of the basket is doubled
B. Linear speed of the basket is halved
C. Centrifugal force is doubled
D. Capacity of centrifuge is increased - _____________ Centrifuge is normally used in sugar mills?
A. Tubular bowl
B. Disc-bowl
C. Suspended batch basket
D. Perforated horizontal basket continuous - A _______________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream?
A. Thickener
B. Classifier
C. Strainer
D. Clarifier - Filtration of water in a paper mill is done by a/an _______________ filter?
A. Open sand
B. Plate and frame
C. Vacuum leaf
D. Sparkler - Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a _______________ surface?
A. Plane
B. Curved
C. Ribbed
D. Either A. or B. - Size reduction of moulding powders, waxes, resins & gums are done in a _______________ mill?
A. Cage
B. Hammer
C. Both A. & B.
D. Neither A. nor B. - Use of ‘grinding aids’ is done in _______________ grinding?
A. Dry
B. Wet
C. Ultrafine
D. Intermediate - Addition of filter aid to the slurry before filtration is done to _______________ of the cake?
A. Increase the porosity
B. Increase the compressibility co-efficient
C. Decrease the porosity
D. Decrease the compressibility co-efficient - Ultra centrifuges are used for the separation of _____________ solid particles?
A. Coarse
B. Fine
C. Colloidal
D. Dissolved
