The filtrate flow rate in constant pressure filtration___________________?

Byadmin February 18, 2019August 22, 2021

The filtrate flow rate in constant pressure filtration___________________?

A. Continuously increases
B. Continuously decreases
C. Remain constant throughout
D. May increase or decrease; depends on the pressure

Mechanical Operations

The 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. Classification

Read More The process by which fine solids is removed from liquids is termed as _____________________?
Mechanical Operations

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?

A. British standard screens
B. German standard screens (DIN 1171) etc
C. American standard screens (ASTM and Tyler standard screens)
D. All A., B. and C.

Read More Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?
Mechanical Operations

Size reduction of ice and gypsum can be accomplished suitably by a _______________ crusher?

Size reduction of ice and gypsum can be accomplished suitably by a _______________ crusher?

A. Blake jaw
B. Toothed roll
C. Gyratory
D. None of these

Read More Size reduction of ice and gypsum can be accomplished suitably by a _______________ crusher?
Mechanical Operations

Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?

Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?

A. Propeller
B. Helical screw
C. Flat blade turbine
D. Curved blade turbine

Read More Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?
Mechanical Operations

The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle) ?

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

Read More The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle) ?
Mechanical Operations

Addition of filter aid to the slurry before filtration is done to _______________ of the cake?

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

Read More Addition of filter aid to the slurry before filtration is done to _______________ of the cake?

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