Q.1.
If the settling is carried out with high concentrations of solids to liquid so that particles close together, the condition is called as _______
- a) Hindered settling
- b) Terminal settling
- c) Gross settling
- d) Fundamental settling
Q.2.
The selection of material handling system depends upon the constituents particles.
- a) True
- b) False
Q.3.
______ is the percentage of total volume not occupied by the particles.
- a) Free space
- b) Void age
- c) Open volume
- d) Gross volume
Q.4.
What does the below equation represent?
- a) Void density
- b) Bulk density
- c) Weight fraction
- d) Mole fraction
Q.5.
______ is defined as the mass of the solids divided by volume occupied by the solids.
- a) True density
- b) Bulk density
- c) Void density
- d) Mole fraction
Q.6.
What does the following represents?
- a) Relation of particle a and b
- b) Relation of bulk and true densities
- c) Relation of two void age
- d) Can’t be specified
Q.7.
Bulk density of a mixture depends upon ______
- a) Weight of particles
- b) Density of particles
- c) Size of particles
- d) Shape of particles
Q.8.
What are the sizes of a coarse solid?
- a) 5 – 100 mm
- b) 0.3 – 5 mm
- c) 10 -100 micrometer
- d) < 1 micrometer
Q.9.
What are the sizes of a coarse powder?
- a) 5 – 100 mm
- b) 0.3 – 5 mm
- c) 100 – 300 micrometer
- d) 5 to 100 micrometer
Q.10.
If the angle of repose is said to bethen it is ____
- a) Very free flowing
- b) Free flowing
- c) Cohesive
- d) Very cohesive