A. Is suitable for mixing low viscosity liquids
B. Produces axial flow
C. Moves at very high speed
D. None of these
Paddle agitator_________________? Read More »
Mechanical Operations A. Work required to form a particle of any size is proportional to the square of the surface to
volume ratio of the product
B. Work required to form a particle of a particular size is proportional to the square root of the
surface to volume ratio of the product
C. Work required in crushing is proportional to the new surface created
D. For a given machine and feed, crushing efficiency is dependent on the size of the feed &
product
Rittinger’s crushing law states that_____________________? Read More »
Mechanical Operations A. 0.0074 cm
B. 0.0074 mm
C. 0.0047 cm
D. 74 milli-microns
The opening of a 200 mesh screen (Taylor series) is__________________? Read More »
Mechanical Operations A. Requires more energy
B. Has less capacity
C. Complicates handling & classification of the product
D. None of these
In case of a revolving mill, wet grinding compared to dry grinding__________________? Read More »
Mechanical Operations A. Plate and frame filter
B. Cartridge filter
C. Shell and leaf filter
D. None of these
Which of the following is a continuous filter ? Read More »
Mechanical Operations A. N°
B. N1
C. N2
D. N3
A. Smallest
B. Largest
C. Either A. or B.
D. Neither A. nor B.
A. Ball mill
B. Rod mill
C. Fluid energy mill
D. Jaw crusher
Feed size of ≥ 25 cms can be accepted by _______________________? Read More »
Mechanical Operations A. Kozeny-Carman equation
B. Leva’s equation
C. Blake-Plummer equation
D. None of these
A. All the resistances are constant
B. Filter medium resistance increases
C. Filter medium resistance decreases
D. Cake resistance decreases
During the washing of cake_________________? Read More »
Mechanical Operations