Mechanical Operations

For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid ?

Byadmin February 18, 2019August 22, 2021

For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid ?

A. Kozeny-Carman equation
B. Leva’s equation
C. Blake-Plummer equation
D. None of these

Mechanical Operations

In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the ________________ crushing?

In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the ________________ crushing?

A. Secondary
B. Fine
C. Primary
D. Ultrafine

Read More In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the ________________ crushing?
Mechanical Operations

Which of the following is not accomplished by agitation of liquids in agitators ?

Which of the following is not accomplished by agitation of liquids in agitators ?

A. Dispersing gas in liquid
B. Blending of immiscible liquids
C. Dispersing immiscible liquid in form of emulsion
D. Suspending solid particles

Read More Which of the following is not accomplished by agitation of liquids in agitators ?
Mechanical Operations

If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?

If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?

A. Sedimentation
B. Flocculation
C. Dispersion
D. Centrifugation

Read More If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?
Mechanical Operations

To get ultrafine particles, the equipment used is a _________________?

To get ultrafine particles, the equipment used is a _________________?

A. Ball mill
B. Rod mill
C. Hammer crusher
D. Fluid energy mill

Read More To get ultrafine particles, the equipment used is a _________________?
Mechanical Operations

Cartridge filters are termed as ‘edge’ filters, because of the fact that the_________________?

Cartridge filters are termed as ‘edge’ filters, because of the fact that the_________________?

A. Disks have very sharp edge
B. Solids are not deposited at the edge of the disk
C. Bulk of the solids are removed at the periphery of the disks
D. None of these

Read More Cartridge filters are termed as ‘edge’ filters, because of the fact that the_________________?
Mechanical Operations

Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation ?

Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation ?

A. Check plates
B. Jaw plates
C. Toggles
D. Crush shaft

Read More Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation ?

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