Mechanical Operations

Dispersion of a gas through liquid is done by using a__________________?

Byadmin February 18, 2019August 22, 2021

Dispersion of a gas through liquid is done by using a__________________?

A. Sparger
B. Kneader
C. Masticator
D. None of these

Mechanical Operations

Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?

Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?

A. Drag
B. Ribbon
C. Screw
D. Slat

Read More Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?
Mechanical Operations

_____________ mills are termed as impactors?

_____________ mills are termed as impactors?

A. Hammer
B. Cage
C. Rolling-compression
D. None of these

Read More _____________ mills are termed as impactors?
Mechanical Operations

A _______________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream?

A _______________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream?

A. Thickener
B. Classifier
C. Strainer
D. Clarifier

Read More A _______________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream?
Mechanical Operations

_______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?

_______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?

A. Tumbler
B. Banbury
C. Muller
D. Ribbon blender

Read More _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?
Mechanical Operations

A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ___________________?

A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ___________________?

A. ½w2 . R2 . ρL
B. ½w2 . δ2 . ρL
C. ½w2 . δρL (2R + δ)
D. ½w2 . R . ρL(R + 2δ)

Read More A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ___________________?
Mechanical Operations

Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a ______________ conveyor?

Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a ______________ conveyor?

A. Flight
B. Slat or drag
C. Ribbon
D. Screw

Read More Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a ______________ conveyor?

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