In constant pressure filtration ?

Byadmin February 18, 2019August 22, 2021

In constant pressure filtration ?

A. Resistance decreases with time
B. Rate of filtration is constant
C. Rate of filtration increases with time
D. Rate of filtration decreases with time

Mechanical Operations

Maximum size reduction in a fluid energy mill is achieved by___________________?

Maximum size reduction in a fluid energy mill is achieved by___________________?

A. Compression
B. Interparticle attrition
C. Cutting
D. Impact

Read More Maximum size reduction in a fluid energy mill is achieved by___________________?
Mechanical Operations

All resistances during washing of cake _____________________?

All resistances during washing of cake _____________________?

A. Increases
B. Decreases
C. Remain constant
D. None of these

Read More All resistances during washing of cake _____________________?
Mechanical Operations

The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?

The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?

A. Df/Dp
B. Dp/Df
C. Df – Dp
D. None of these

Read More The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?
Mechanical Operations

Angle of nip of the crushing rolls does not depend upon the_______________?

Angle of nip of the crushing rolls does not depend upon the_______________?

A. Diameter of the rolls
B. Speed of the rolls
C. Product size
D. Feed size

Read More Angle of nip of the crushing rolls does not depend upon the_______________?
Mechanical Operations

Which of the following mechanical conveyors does not come under the division „scrapers‟ ?

Which of the following mechanical conveyors does not come under the division „scrapers‟ ?

A. Ribbon conveyor
B. Flight conveyor
C. Bucket elevators
D. Drag conveyor

Read More Which of the following mechanical conveyors does not come under the division „scrapers‟ ?
Mechanical Operations

Which of the following is not an ultrafine grinder (colloid mill) ?

Which of the following is not an ultrafine grinder (colloid mill) ?

A. Micronizers
B. Agitated mills and fluid energy mills
C. Toothed roll crusher
D. Hammer mills with internal classification

Read More Which of the following is not an ultrafine grinder (colloid mill) ?

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