In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is__________________?

Byadmin February 18, 2019August 22, 2021

In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is__________________?

A. 4
B. 1/4
C. 1
D. 1/2

Mechanical Operations

Which of the following is not categorised as a “mechanical operation”?

Which of the following is not categorised as a “mechanical operation”?

A. Agitation
B. Filtration
C. Size enlargement
D. Humidification

Read More Which of the following is not categorised as a “mechanical operation”?
Mechanical Operations

Temperature of the product during ultrafine grinding_____________________?

Temperature of the product during ultrafine grinding_____________________?

A. Increases
B. Decreases
C. Remain constant
D. May increase or decrease; depends on the material being ground

Read More Temperature of the product during ultrafine grinding_____________________?
Mechanical Operations

Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a____________________?

Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a____________________?

A. Disc bowl centrifuge
B. Sharpies super-centrifuge
C. Batch basket centrifuge
D. Sparkler filter

Read More Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a____________________?
Mechanical Operations

Ball mill is used for__________________?

Ball mill is used for__________________?

A. Crushing
B. Coarse grinding
C. Fine grinding
D. Attrition

Read More Ball mill is used for__________________?
Mechanical Operations

Which of the following is not used as filter aid ?

Which of the following is not used as filter aid ?

A. Asbestos
B. Diatomaceous earth
C. Purified wood cellulose
D. Rice husk

Read More Which of the following is not used as filter aid ?
Mechanical Operations

Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?

Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?

A. Gravity separation
B. Wettability
C. Particle shape
D. None of these

Read More Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?

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