A. Ball mill
B. Hammer mill
C. Jet mill
D. Pin mill
Related Mcqs:
- To get a fine talc powder from its granules, the equipment used is____________________?
A. Roller crusher
B. Ball mill
C. Jaw crusher
D. Gyratory crusher - Mixing of light fine powder such as insecticides is done by____________________?
A. Banbury mixer
B. Pug mill
C. Impact wheels
D. Kneader - Toothed roll crushers achieve size reduction by___________________?
A. Tearing (shear) and compression
B. Impact and attrition
C. Both A. & B.
D. Neither A. nor B. - Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with ______________ to get the same for dry grinding?
A. 1.0
B. 0.5
C. 1.34
D. 4.34 - _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?
A. Tumbler
B. Banbury
C. Muller
D. Ribbon blender - The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to___________________?
A. N°
B. N1
C. N2
D. N3 - The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle) ?
A. 6/D.ρ
B. 2/D.ρ
C. 4/D.ρ
D. 12/D.ρ - The specific cake resistance for compressible sludges is a function of the pressure drop__________________?
A. Over cake
B. Over medium
C. Overall
D. None of these - Which of the following comes in the category of primary crusher for hard and tough stone ?
A. Jaw crusher
B. Cone crusher
C. Gyratory crusher
D. None of these - Tabular bowl centrifuges as compared to disk bowl centrifuges___________________?
A. Operate at higher speed
B. Employ bowl of larger diameter
C. Can’t be operated under pressure/vacuum
D. Can’t be used for separation of fine suspended solids from a liquid
