For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the ______________ filter?

Byadmin February 18, 2019August 22, 2021

For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the ______________ filter?

A. Plate & frame
B. Shell & leaf
C. Sand
D. Rotary vacuum

Mechanical Operations

For a non-spherical particle, the sphericity__________________?

For a non-spherical particle, the sphericity__________________?

A. Is defined as the ratio of surface area of a sphere having the same volume as the particle to the
actual surface area of the particle
B. Has the dimension of length
C. Is always less than 1
D. Is the ratio of volume of a sphere having the same surface area as the particle to the actual
volume of the particle

Read More For a non-spherical particle, the sphericity__________________?
Mechanical Operations

The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond’s law) of the energy to grind the particles from a very large size to 50 μm is________________?

The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond’s law) of the energy to grind the particles from a very large size to 50 μm is________________?

A. 6.35 kWh/ton
B. 9.0 kWh/ton
C. 18 kWh/ton
D. 25.4 kWh/ton

Read More The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond’s law) of the energy to grind the particles from a very large size to 50 μm is________________?
Mechanical Operations

Which of the following is the most suitable for handling fibrous and dense slurries ?

Which of the following is the most suitable for handling fibrous and dense slurries ?

A. Propeller agitator
B. Cone type agitator
C. Turbine agitator
D. Radial propeller agitator

Read More Which of the following is the most suitable for handling fibrous and dense slurries ?
Mechanical Operations

Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?

Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?

A. Filtering
B. Washing
C. Drying
D. All A., B. & C.

Read More Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?
Mechanical Operations

Grizzlies are used for separating _____________ solids?

Grizzlies are used for separating _____________ solids?

A. Coarse
B. Fine
C. Any size
D. None of these

Read More Grizzlies are used for separating _____________ solids?
Mechanical Operations

Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the___________________?

Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the___________________?

A. Coagulation
B. Flocculation
C. Sedimentation
D. Clarification

Read More Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the___________________?

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