Shape factor for a cylinder whose length equals its diameter is_________________?
Shape factor for a cylinder whose length equals its diameter is_________________?
A. 1.5
B. 0.5
C. 1.0
D. 2.0
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Mixing mechanism employed in a pan mixer is by ________________?
Mixing mechanism employed in a pan mixer is by ________________?A. Mulling
B. Kneading
C. Dispersion
D. None of theseWork 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?
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. 4.34The process by which fine solids is removed from liquids is termed as _____________________?
The process by which fine solids is removed from liquids is termed as _____________________?A. Decantation
B. Flocculation
C. Sedimentation
D. ClassificationCritical speed of rotation, N (in rps – rotation per second) of a trammel is equal to (where, g = acceleration due to gravity = 9.81 m/sec2 and, r = radius of trammel, metre.) ?
Critical speed of rotation, N (in rps – rotation per second) of a trammel is equal to (where, g = acceleration due to gravity = 9.81 m/sec2 and, r = radius of trammel, metre.) ?A. (1/2π). √(g/r)
B. (1/π). √(g/r)
C. ½ √(g/r)
D. 2π. √(g/r)The sphericity of a cylinder of 1 mm diameter and length 3 mm is_________________?
The sphericity of a cylinder of 1 mm diameter and length 3 mm is_________________?A. 0.9
B. 0.78
C. 0.6
D. 0.5Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the _____________ filtration?
Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the _____________ filtration?A. Constant rate
B. Varying pressure
C. Varying rate
D. Constant pressure